Mercurial > octave-nkf
changeset 578:d169be9237fb
[project @ 1994-08-03 20:06:54 by jwe]
| author | jwe |
|---|---|
| date | Wed, 03 Aug 1994 20:07:26 +0000 |
| parents | 91e2164fb1b2 |
| children | 606938d43402 |
| files | src/Makefile.in src/arith-ops.cc src/arith-ops.h src/defun-int.h src/lex.l src/octave.cc src/parse.y src/pt-base.h src/pt-cmd.cc src/pt-cmd.h src/pt-const.h src/pt-exp-base.cc src/pt-exp-base.h src/pt-plot.cc src/pt-plot.h src/tc-rep.cc src/tc-rep.h src/toplev.h src/utils.cc src/utils.h |
| diffstat | 20 files changed, 1772 insertions(+), 2860 deletions(-) [+] |
line wrap: on
line diff
--- a/src/Makefile.in Wed Aug 03 20:06:54 1994 +0000 +++ b/src/Makefile.in Wed Aug 03 20:07:26 1994 +0000 @@ -58,9 +58,9 @@ missing-math.h octave.h octave-hist.h \ oct-obj.h pager.h parse.h pr-output.h procstream.h \ sighandlers.h statdefs.h symtab.h sysdep.h token.h tree.h \ - tree-base.h tree-cmd.h tree-const.h tree-expr.h tree-plot.h \ - tc-rep.h unwind-prot.h user-prefs.h utils.h variables.h \ - version.h xdiv.h xpow.h SLStack.h Stack.h + tree-base.h tree-cmd.h tree-const.h tree-expr.h tree-misc.h \ + tree-plot.h tc-rep.h unwind-prot.h user-prefs.h utils.h \ + variables.h version.h xdiv.h xpow.h SLStack.h Stack.h SOURCES = arith-ops.cc data.cc dirfns.cc dynamic-ld.cc \ error.cc file-io.cc fnmatch.c getopt.c getopt1.c gripes.cc \ @@ -68,9 +68,9 @@ oct-obj.cc octave-hist.cc pager.cc parse.y pr-output.cc \ procstream.cc sighandlers.cc strcasecmp.c strncase.c \ symtab.cc sysdep.cc tc-inlines.cc tc-rep.cc timefns.cc \ - token.cc tree-cmd.cc tree-const.cc tree-expr.cc tree-plot.cc \ - unwind-prot.cc user-prefs.cc utils.cc variables.cc xdiv.cc \ - xpow.cc SLStack.cc \ + token.cc tree-cmd.cc tree-const.cc tree-expr.cc tree-misc.cc \ + tree-plot.cc unwind-prot.cc user-prefs.cc utils.cc \ + variables.cc xdiv.cc xpow.cc SLStack.cc \ $(DLD_SRC) # Ugh. @@ -95,8 +95,8 @@ oct-obj.o pager.o parse.o pr-output.o procstream.o sighandlers.o \ strcasecmp.o strncase.o symtab.o sysdep.o tc-rep.o timefns.o \ token.o tree-cmd.o tree-const.o tree-expr.o tree-plot.o \ - unwind-prot.o user-prefs.o utils.o variables.o xdiv.o xpow.o \ - SLStack.o \ + tree-misc.o unwind-prot.o user-prefs.o utils.o variables.o \ + xdiv.o xpow.o SLStack.o \ @DYNAMIC_LD_OBJ@ OCTAVE_LIBS = @LIBOCTDLD@ ../liboctave.a ../libcruft.a ../libinfo.a \
--- a/src/arith-ops.cc Wed Aug 03 20:06:54 1994 +0000 +++ b/src/arith-ops.cc Wed Aug 03 20:07:26 1994 +0000 @@ -800,20 +800,20 @@ */ tree_constant -do_unary_op (double d, tree::expression_type t) +do_unary_op (double d, tree_expression::type t) { double result = 0.0; switch (t) { - case tree::not: + case tree_expression::not: result = (! d); break; - case tree::uminus: + case tree_expression::uminus: result = -d; break; - case tree::hermitian: - case tree::transpose: + case tree_expression::hermitian: + case tree_expression::transpose: result = d; break; default: @@ -825,20 +825,20 @@ } tree_constant -do_unary_op (const Matrix& a, tree::expression_type t) +do_unary_op (const Matrix& a, tree_expression::type t) { Matrix result; switch (t) { - case tree::not: + case tree_expression::not: result = (! a); break; - case tree::uminus: + case tree_expression::uminus: result = -a; break; - case tree::hermitian: - case tree::transpose: + case tree_expression::hermitian: + case tree_expression::transpose: result = a.transpose (); break; default: @@ -850,22 +850,22 @@ } tree_constant -do_unary_op (const Complex& c, tree::expression_type t) +do_unary_op (const Complex& c, tree_expression::type t) { Complex result = 0.0; switch (t) { - case tree::not: + case tree_expression::not: result = (c == 0.0); break; - case tree::uminus: + case tree_expression::uminus: result = -c; break; - case tree::hermitian: + case tree_expression::hermitian: result = conj (c); break; - case tree::transpose: + case tree_expression::transpose: result = c; break; default: @@ -877,22 +877,22 @@ } tree_constant -do_unary_op (const ComplexMatrix& a, tree::expression_type t) +do_unary_op (const ComplexMatrix& a, tree_expression::type t) { ComplexMatrix result; switch (t) { - case tree::not: + case tree_expression::not: result = (! a); break; - case tree::uminus: + case tree_expression::uminus: result = -a; break; - case tree::hermitian: + case tree_expression::hermitian: result = a.hermitian (); break; - case tree::transpose: + case tree_expression::transpose: result = a.transpose (); break; default: @@ -921,60 +921,60 @@ /* 1 */ tree_constant -do_binary_op (double a, double b, tree::expression_type t) +do_binary_op (double a, double b, tree_expression::type t) { double result = 0.0; switch (t) { - case tree::add: + case tree_expression::add: result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result = a - b; break; - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result = a * b; break; - case tree::divide: - case tree::el_div: + case tree_expression::divide: + case tree_expression::el_div: if (b == 0.0) DIVIDE_BY_ZERO_ERROR; result = a / b; break; - case tree::leftdiv: - case tree::el_leftdiv: + case tree_expression::leftdiv: + case tree_expression::el_leftdiv: if (a == 0.0) DIVIDE_BY_ZERO_ERROR; result = b / a; break; - case tree::power: - case tree::elem_pow: + case tree_expression::power: + case tree_expression::elem_pow: return xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result = a < b; break; - case tree::cmp_le: + case tree_expression::cmp_le: result = a <= b; break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result = a == b; break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result = a >= b; break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result = a > b; break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result = a != b; break; - case tree::and: + case tree_expression::and: result = (a && b); break; - case tree::or: + case tree_expression::or: result = (a || b); break; default: @@ -990,62 +990,62 @@ /* 2 */ tree_constant -do_binary_op (double a, const Matrix& b, tree::expression_type t) +do_binary_op (double a, const Matrix& b, tree_expression::type t) { Matrix result; switch (t) { - case tree::add: + case tree_expression::add: result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result = a - b; break; - case tree::el_leftdiv: - case tree::leftdiv: + case tree_expression::el_leftdiv: + case tree_expression::leftdiv: if (a == 0.0) DIVIDE_BY_ZERO_ERROR; a = 1.0 / a; // fall through... - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result = a * b; break; - case tree::el_div: + case tree_expression::el_div: return x_el_div (a, b); break; - case tree::divide: + case tree_expression::divide: gripe_nonconformant (1, 1, b.rows (), b.columns ()); break; - case tree::power: + case tree_expression::power: return xpow (a, b); break; - case tree::elem_pow: + case tree_expression::elem_pow: return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result = mx_stupid_bool_op (Matrix_OR, a, b); break; default: @@ -1061,7 +1061,7 @@ /* 3 */ tree_constant -do_binary_op (double a, const Complex& b, tree::expression_type t) +do_binary_op (double a, const Complex& b, tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -1071,66 +1071,66 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; complex_result = a - b; break; - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result_type = RT_complex; complex_result = a * b; break; - case tree::divide: - case tree::el_div: + case tree_expression::divide: + case tree_expression::el_div: result_type = RT_complex; if (b == 0.0) DIVIDE_BY_ZERO_ERROR; complex_result = a / b; break; - case tree::leftdiv: - case tree::el_leftdiv: + case tree_expression::leftdiv: + case tree_expression::el_leftdiv: result_type = RT_complex; if (a == 0.0) DIVIDE_BY_ZERO_ERROR; complex_result = b / a; break; - case tree::power: - case tree::elem_pow: + case tree_expression::power: + case tree_expression::elem_pow: return xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; result = a < real (b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; result = a <= real (b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; result = a == b; break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; result = a >= real (b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; result = a > real (b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; result = a != b; break; - case tree::and: + case tree_expression::and: result_type = RT_real; result = (a && (b != 0.0)); break; - case tree::or: + case tree_expression::or: result_type = RT_real; result = (a || (b != 0.0)); break; @@ -1152,7 +1152,7 @@ /* 4 */ tree_constant -do_binary_op (double a, const ComplexMatrix& b, tree::expression_type t) +do_binary_op (double a, const ComplexMatrix& b, tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -1162,66 +1162,66 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; complex_result = a - b; break; - case tree::el_leftdiv: - case tree::leftdiv: + case tree_expression::el_leftdiv: + case tree_expression::leftdiv: if (a == 0.0) DIVIDE_BY_ZERO_ERROR; a = 1.0 / a; // fall through... - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result_type = RT_complex; complex_result = a * b; break; - case tree::el_div: + case tree_expression::el_div: return x_el_div (a, b); break; - case tree::divide: + case tree_expression::divide: gripe_nonconformant (1, 1, b.rows (), b.columns ()); break; - case tree::power: + case tree_expression::power: return xpow (a, b); break; - case tree::elem_pow: + case tree_expression::elem_pow: return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result_type = RT_real; result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result_type = RT_real; result = mx_stupid_bool_op (Matrix_OR, a, b); break; @@ -1243,60 +1243,60 @@ /* 5 */ tree_constant -do_binary_op (const Matrix& a, double b, tree::expression_type t) +do_binary_op (const Matrix& a, double b, tree_expression::type t) { Matrix result; switch (t) { - case tree::add: + case tree_expression::add: result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result = a - b; break; - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result = a * b; break; - case tree::divide: - case tree::el_div: + case tree_expression::divide: + case tree_expression::el_div: result = a / b; break; - case tree::el_leftdiv: + case tree_expression::el_leftdiv: return x_el_div (b, a); break; - case tree::leftdiv: + case tree_expression::leftdiv: gripe_nonconformant (a.rows (), a.columns (), 1, 1); break; - case tree::power: + case tree_expression::power: return xpow (a, b); break; - case tree::elem_pow: + case tree_expression::elem_pow: return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result = mx_stupid_bool_op (Matrix_OR, a, b); break; default: @@ -1312,78 +1312,78 @@ /* 6 */ tree_constant -do_binary_op (const Matrix& a, const Matrix& b, tree::expression_type t) +do_binary_op (const Matrix& a, const Matrix& b, tree_expression::type t) { Matrix result; switch (t) { - case tree::add: + case tree_expression::add: if (m_add_conform (a, b, 1)) result = a + b; break; - case tree::subtract: + case tree_expression::subtract: if (m_add_conform (a, b, 1)) result = a - b; break; - case tree::el_mul: + case tree_expression::el_mul: if (m_add_conform (a, b, 1)) result = product (a, b); break; - case tree::multiply: + case tree_expression::multiply: if (m_mul_conform (a, b, 1)) result = a * b; break; - case tree::el_div: + case tree_expression::el_div: if (m_add_conform (a, b, 1)) result = quotient (a, b); break; - case tree::el_leftdiv: + case tree_expression::el_leftdiv: if (m_add_conform (a, b, 1)) result = quotient (b, a); break; - case tree::leftdiv: + case tree_expression::leftdiv: return xleftdiv (a, b); break; - case tree::divide: + case tree_expression::divide: return xdiv (a, b); break; - case tree::power: + case tree_expression::power: error ("can't do A ^ B for A and B both matrices"); break; - case tree::elem_pow: + case tree_expression::elem_pow: if (m_add_conform (a, b, 1)) return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_OR, a, b); break; @@ -1400,7 +1400,7 @@ /* 7 */ tree_constant -do_binary_op (const Matrix& a, const Complex& b, tree::expression_type t) +do_binary_op (const Matrix& a, const Complex& b, tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -1410,65 +1410,65 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; complex_result = a - b; break; - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result_type = RT_complex; complex_result = a * b; break; - case tree::divide: - case tree::el_div: + case tree_expression::divide: + case tree_expression::el_div: result_type = RT_complex; complex_result = a / b; break; - case tree::el_leftdiv: + case tree_expression::el_leftdiv: return x_el_div (b, a); break; - case tree::leftdiv: + case tree_expression::leftdiv: gripe_nonconformant (a.rows (), a.columns (), 1, 1); break; - case tree::power: + case tree_expression::power: return xpow (a, b); break; - case tree::elem_pow: + case tree_expression::elem_pow: return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result_type = RT_real; result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result_type = RT_real; result = mx_stupid_bool_op (Matrix_OR, a, b); break; @@ -1490,7 +1490,7 @@ /* 8 */ tree_constant -do_binary_op (const Matrix& a, const ComplexMatrix& b, tree::expression_type t) +do_binary_op (const Matrix& a, const ComplexMatrix& b, tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -1500,85 +1500,85 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = a - b; break; - case tree::el_mul: + case tree_expression::el_mul: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = product (a, b); break; - case tree::multiply: + case tree_expression::multiply: result_type = RT_complex; if (m_mul_conform (a, b, 1)) complex_result = a * b; break; - case tree::el_div: + case tree_expression::el_div: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = quotient (a, b); break; - case tree::el_leftdiv: + case tree_expression::el_leftdiv: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = quotient (b, a); break; - case tree::leftdiv: + case tree_expression::leftdiv: return xleftdiv (a, b); break; - case tree::divide: + case tree_expression::divide: return xdiv (a, b); break; - case tree::power: + case tree_expression::power: error ("can't do A ^ B for A and B both matrices"); break; - case tree::elem_pow: + case tree_expression::elem_pow: if (m_add_conform (a, b, 1)) return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_OR, a, b); @@ -1601,7 +1601,7 @@ /* 9 */ tree_constant -do_binary_op (const Complex& a, double b, tree::expression_type t) +do_binary_op (const Complex& a, double b, tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -1611,66 +1611,66 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; complex_result = a - b; break; - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result_type = RT_complex; complex_result = a * b; break; - case tree::divide: - case tree::el_div: + case tree_expression::divide: + case tree_expression::el_div: result_type = RT_complex; if (b == 0.0) DIVIDE_BY_ZERO_ERROR; complex_result = a / b; break; - case tree::leftdiv: - case tree::el_leftdiv: + case tree_expression::leftdiv: + case tree_expression::el_leftdiv: result_type = RT_complex; if (a == 0.0) DIVIDE_BY_ZERO_ERROR; complex_result = b / a; break; - case tree::power: - case tree::elem_pow: + case tree_expression::power: + case tree_expression::elem_pow: return xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; result = real (a) < b; break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; result = real (a) <= b; break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; result = a == b; break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; result = real (a) >= b; break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; result = real (a) > b; break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; result = a != b; break; - case tree::and: + case tree_expression::and: result_type = RT_real; result = ((a != 0.0) && b); break; - case tree::or: + case tree_expression::or: result_type = RT_real; result = ((a != 0.0) || b); break; @@ -1692,7 +1692,7 @@ /* 10 */ tree_constant -do_binary_op (const Complex& a, const Matrix& b, tree::expression_type t) +do_binary_op (const Complex& a, const Matrix& b, tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -1702,67 +1702,67 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; complex_result = a - b; break; - case tree::el_leftdiv: - case tree::leftdiv: + case tree_expression::el_leftdiv: + case tree_expression::leftdiv: if (a == 0.0) DIVIDE_BY_ZERO_ERROR; result_type = RT_complex; complex_result = b / a; break; - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result_type = RT_complex; complex_result = a * b; break; - case tree::el_div: + case tree_expression::el_div: return x_el_div (a, b); break; - case tree::divide: + case tree_expression::divide: gripe_nonconformant (1, 1, b.rows (), b.columns ()); break; - case tree::power: + case tree_expression::power: return xpow (a, b); break; - case tree::elem_pow: + case tree_expression::elem_pow: return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result_type = RT_real; result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result_type = RT_real; result = mx_stupid_bool_op (Matrix_OR, a, b); break; @@ -1784,7 +1784,7 @@ /* 11 */ tree_constant -do_binary_op (const Complex& a, const Complex& b, tree::expression_type t) +do_binary_op (const Complex& a, const Complex& b, tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -1794,66 +1794,66 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; complex_result = a - b; break; - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result_type = RT_complex; complex_result = a * b; break; - case tree::divide: - case tree::el_div: + case tree_expression::divide: + case tree_expression::el_div: result_type = RT_complex; if (b == 0.0) DIVIDE_BY_ZERO_ERROR; complex_result = a / b; break; - case tree::leftdiv: - case tree::el_leftdiv: + case tree_expression::leftdiv: + case tree_expression::el_leftdiv: result_type = RT_complex; if (a == 0.0) DIVIDE_BY_ZERO_ERROR; complex_result = b / a; break; - case tree::power: - case tree::elem_pow: + case tree_expression::power: + case tree_expression::elem_pow: return xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; result = real (a) < real (b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; result = real (a) <= real (b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; result = a == b; break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; result = real (a) >= real (b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; result = real (a) > real (b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; result = a != b; break; - case tree::and: + case tree_expression::and: result_type = RT_real; result = ((a != 0.0) && (b != 0.0)); break; - case tree::or: + case tree_expression::or: result_type = RT_real; result = ((a != 0.0) || (b != 0.0)); break; @@ -1876,7 +1876,7 @@ /* 12 */ tree_constant do_binary_op (const Complex& a, const ComplexMatrix& b, - tree::expression_type t) + tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -1886,67 +1886,67 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; complex_result = a - b; break; - case tree::el_leftdiv: - case tree::leftdiv: + case tree_expression::el_leftdiv: + case tree_expression::leftdiv: if (a == 0.0) DIVIDE_BY_ZERO_ERROR; result_type = RT_complex; complex_result = b / a; break; - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result_type = RT_complex; complex_result = a * b; break; - case tree::el_div: + case tree_expression::el_div: return x_el_div (a, b); break; - case tree::divide: + case tree_expression::divide: gripe_nonconformant (1, 1, b.rows (), b.columns ()); break; - case tree::power: + case tree_expression::power: return xpow (a, b); break; - case tree::elem_pow: + case tree_expression::elem_pow: return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result_type = RT_real; result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result_type = RT_real; result = mx_stupid_bool_op (Matrix_OR, a, b); break; @@ -1968,7 +1968,7 @@ /* 13 */ tree_constant -do_binary_op (const ComplexMatrix& a, double b, tree::expression_type t) +do_binary_op (const ComplexMatrix& a, double b, tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -1978,65 +1978,65 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; complex_result = a - b; break; - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result_type = RT_complex; complex_result = a * b; break; - case tree::divide: - case tree::el_div: + case tree_expression::divide: + case tree_expression::el_div: result_type = RT_complex; complex_result = a / b; break; - case tree::el_leftdiv: + case tree_expression::el_leftdiv: return x_el_div (b, a); break; - case tree::leftdiv: + case tree_expression::leftdiv: gripe_nonconformant (a.rows (), a.columns (), 1, 1); break; - case tree::power: + case tree_expression::power: return xpow (a, b); break; - case tree::elem_pow: + case tree_expression::elem_pow: return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result_type = RT_real; result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result_type = RT_real; result = mx_stupid_bool_op (Matrix_OR, a, b); break; @@ -2058,7 +2058,7 @@ /* 14 */ tree_constant -do_binary_op (const ComplexMatrix& a, const Matrix& b, tree::expression_type t) +do_binary_op (const ComplexMatrix& a, const Matrix& b, tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -2068,85 +2068,85 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = a - b; break; - case tree::el_mul: + case tree_expression::el_mul: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = product (a, b); break; - case tree::multiply: + case tree_expression::multiply: result_type = RT_complex; if (m_mul_conform (a, b, 1)) complex_result = a * b; break; - case tree::el_div: + case tree_expression::el_div: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = quotient (a, b); break; - case tree::el_leftdiv: + case tree_expression::el_leftdiv: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = quotient (b, a); break; - case tree::leftdiv: + case tree_expression::leftdiv: return xleftdiv (a, b); break; - case tree::divide: + case tree_expression::divide: return xdiv (a, b); break; - case tree::power: + case tree_expression::power: error ("can't do A ^ B for A and B both matrices"); break; - case tree::elem_pow: + case tree_expression::elem_pow: if (m_add_conform (a, b, 1)) return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_OR, a, b); @@ -2170,7 +2170,7 @@ /* 15 */ tree_constant do_binary_op (const ComplexMatrix& a, const Complex& b, - tree::expression_type t) + tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -2180,65 +2180,65 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; complex_result = a - b; break; - case tree::multiply: - case tree::el_mul: + case tree_expression::multiply: + case tree_expression::el_mul: result_type = RT_complex; complex_result = a * b; break; - case tree::divide: - case tree::el_div: + case tree_expression::divide: + case tree_expression::el_div: result_type = RT_complex; complex_result = a / b; break; - case tree::el_leftdiv: + case tree_expression::el_leftdiv: return x_el_div (b, a); break; - case tree::leftdiv: + case tree_expression::leftdiv: gripe_nonconformant (a.rows (), a.columns (), 1, 1); break; - case tree::power: + case tree_expression::power: return xpow (a, b); break; - case tree::elem_pow: + case tree_expression::elem_pow: return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result_type = RT_real; result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result_type = RT_real; result = mx_stupid_bool_op (Matrix_OR, a, b); break; @@ -2261,7 +2261,7 @@ /* 16 */ tree_constant do_binary_op (const ComplexMatrix& a, const ComplexMatrix& b, - tree::expression_type t) + tree_expression::type t) { enum RT { RT_unknown, RT_real, RT_complex }; RT result_type = RT_unknown; @@ -2271,85 +2271,85 @@ switch (t) { - case tree::add: + case tree_expression::add: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = a + b; break; - case tree::subtract: + case tree_expression::subtract: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = a - b; break; - case tree::el_mul: + case tree_expression::el_mul: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = product (a, b); break; - case tree::multiply: + case tree_expression::multiply: result_type = RT_complex; if (m_mul_conform (a, b, 1)) complex_result = a * b; break; - case tree::el_div: + case tree_expression::el_div: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = quotient (a, b); break; - case tree::el_leftdiv: + case tree_expression::el_leftdiv: result_type = RT_complex; if (m_add_conform (a, b, 1)) complex_result = quotient (b, a); break; - case tree::leftdiv: + case tree_expression::leftdiv: return xleftdiv (a, b); break; - case tree::divide: + case tree_expression::divide: return xdiv (a, b); break; - case tree::power: + case tree_expression::power: error ("can't do A ^ B for A and B both matrices"); break; - case tree::elem_pow: + case tree_expression::elem_pow: if (m_add_conform (a, b, 1)) return elem_xpow (a, b); break; - case tree::cmp_lt: + case tree_expression::cmp_lt: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_LT, a, b); break; - case tree::cmp_le: + case tree_expression::cmp_le: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_LE, a, b); break; - case tree::cmp_eq: + case tree_expression::cmp_eq: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_EQ, a, b); break; - case tree::cmp_ge: + case tree_expression::cmp_ge: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_GE, a, b); break; - case tree::cmp_gt: + case tree_expression::cmp_gt: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_GT, a, b); break; - case tree::cmp_ne: + case tree_expression::cmp_ne: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_NE, a, b); break; - case tree::and: + case tree_expression::and: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_AND, a, b); break; - case tree::or: + case tree_expression::or: result_type = RT_real; if (m_add_conform (a, b, 1)) result = mx_stupid_bool_op (Matrix_OR, a, b);
--- a/src/arith-ops.h Wed Aug 03 20:06:54 1994 +0000 +++ b/src/arith-ops.h Wed Aug 03 20:07:26 1994 +0000 @@ -24,70 +24,70 @@ #if !defined (octave_arith_ops_h) #define octave_arith_ops_h 1 -#include "tree-base.h" +#include "tree-expr.h" class Complex; class Matrix; class ComplexMatrix; class tree_constant; -extern tree_constant do_unary_op (double d, tree::expression_type t); +extern tree_constant do_unary_op (double d, tree_expression::type t); -extern tree_constant do_unary_op (const Matrix& a, tree::expression_type t); +extern tree_constant do_unary_op (const Matrix& a, tree_expression::type t); -extern tree_constant do_unary_op (const Complex& c, tree::expression_type t); +extern tree_constant do_unary_op (const Complex& c, tree_expression::type t); extern tree_constant do_unary_op (const ComplexMatrix& a, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (double a, double b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (double a, const Matrix& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (double a, const Complex& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (double a, const ComplexMatrix& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const Matrix& a, double b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const Matrix& a, const Matrix& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const Matrix& a, const Complex& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const Matrix& a, const ComplexMatrix& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const Complex& a, double b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const Complex& a, const Matrix& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const Complex& a, const Complex& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const Complex& a, const ComplexMatrix& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const ComplexMatrix& a, double b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const ComplexMatrix& a, const Matrix& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const ComplexMatrix& a, const Complex& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_binary_op (const ComplexMatrix& a, const ComplexMatrix& b, - tree::expression_type t); + tree_expression::type t); #endif
--- a/src/defun-int.h Wed Aug 03 20:06:54 1994 +0000 +++ b/src/defun-int.h Wed Aug 03 20:07:26 1994 +0000 @@ -76,10 +76,10 @@ // XXX FIXME XXX -- eliminate the need for these in the functions that // use them? -#define DEFINE_ARGV(warnfor) \ +#define DEFINE_ARGV(fcn_name) \ int argc = args.length (); \ int save_argc = argc; \ - char **argv = make_argv (args, warnfor); \ + char **argv = make_argv (args, fcn_name); \ char **save_argv = argv; \ if (error_state) \ return retval
--- a/src/lex.l Wed Aug 03 20:06:54 1994 +0000 +++ b/src/lex.l Wed Aug 03 20:07:26 1994 +0000 @@ -1056,6 +1056,8 @@ } else if (strcmp ("global", s) == 0) { + yylval.tok_val = new token (l, c); + token_stack.push (yylval.tok_val); return GLOBAL; } else if (strcmp ("gplot", s) == 0)
--- a/src/octave.cc Wed Aug 03 20:06:54 1994 +0000 +++ b/src/octave.cc Wed Aug 03 20:07:26 1994 +0000 @@ -50,6 +50,7 @@ #include "sighandlers.h" #include "variables.h" #include "error.h" +#include "tree-misc.h" #include "tree-const.h" #include "tree-plot.h" #include "utils.h" @@ -110,7 +111,7 @@ int quitting_gracefully = 0; // Current command to execute. -tree *global_command = 0; +tree_statement_list *global_command = 0; // Pointer to function that is currently being evaluated. tree_function *curr_function = 0; @@ -138,6 +139,9 @@ // Nonzero means we read ~/.octaverc and ./.octaverc. static int read_init_files = 1; +// Nonzero means we printed messages about reading startup files. +static int reading_startup_message_printed = 0; + // Nonzero means we don\'t print the usual startup message. static int inhibit_startup_message = 0; @@ -242,7 +246,7 @@ } void -parse_and_execute (char *s, int print) +parse_and_execute (char *s, int print, int verbose) { begin_unwind_frame ("parse_and_execute_2"); @@ -261,7 +265,17 @@ current_input_column = 1; echo_input = 0; + if (verbose) + { + cout << "Reading commands from " << s << " ... "; + reading_startup_message_printed = 1; + cout.flush (); + } + parse_and_execute (f, print); + + if (verbose) + cout << "done." << endl; } run_unwind_frame ("parse_and_execute_2"); @@ -278,11 +292,13 @@ unwind_protect_int (input_from_startup_file); input_from_startup_file = 1; + int verbose = ! inhibit_startup_message; + // Execute commands from the site-wide configuration file. char *sd = get_site_defaults (); - parse_and_execute (sd, 0); + parse_and_execute (sd, 0, verbose); // Try to execute commands from $HOME/.octaverc and ./.octaverc. @@ -290,7 +306,7 @@ if (home_directory) { home_rc = strconcat (home_directory, "/.octaverc"); - parse_and_execute (home_rc, 0); + parse_and_execute (home_rc, 0, verbose); } // Names alone are not enough. @@ -303,7 +319,7 @@ stat ("./.octaverc", &dot_rc_statbuf); if (home_rc_statbuf.st_ino != dot_rc_statbuf.st_ino) - parse_and_execute ("./.octaverc", 0); + parse_and_execute ("./.octaverc", 0, verbose); run_unwind_frame ("execute_startup_files"); } @@ -464,6 +480,12 @@ install_signal_handlers (); + if (! inhibit_startup_message) + cout << "Octave, version " << version_string + << ". Copyright (C) 1992, 1993, 1994 John W. Eaton.\n" + << "This is free software with ABSOLUTELY NO WARRANTY.\n" + << "For details, type `warranty'.\n" << endl; + if (read_init_files) { saving_history = 0; @@ -471,6 +493,9 @@ saving_history = 1; } + if (! inhibit_startup_message && reading_startup_message_printed) + cout << endl; + // Avoid counting commands executed from startup files. current_command_number = 1; @@ -514,15 +539,6 @@ if (! (interactive || forced_interactive)) using_readline = 0; - if (! inhibit_startup_message) - { - cout << "Octave, version " << version_string - << ". Copyright (C) 1992, 1993, 1994 John W. Eaton.\n" - << "This is free software with ABSOLUTELY NO WARRANTY.\n" - << "For details, type `warranty'.\n" - << endl; - } - // Allow the user to interrupt us without exiting. volatile sig_handler *saved_sigint_handler = signal (SIGINT, SIG_IGN); @@ -703,7 +719,7 @@ // trying to eval the command we just parsed -- it might contain the // name of an function file that still needs to be parsed! - tree *command = global_command; + tree_statement_list *command = global_command; run_unwind_frame ("eval_string");
--- a/src/parse.y Wed Aug 03 20:06:54 1994 +0000 +++ b/src/parse.y Wed Aug 03 20:07:26 1994 +0000 @@ -44,6 +44,7 @@ #include "input.h" #include "utils.h" #include "tree.h" +#include "tree-misc.h" #include "tree-plot.h" #include "tree-const.h" #include "symtab.h" @@ -111,10 +112,10 @@ // Generic error messages. static void yyerror (char *s); -// Error mesages for mismatched end statements. +// Error mesages for mismatched end tokens. static void end_error (char *type, token::end_tok_type ettype, int l, int c); -// Check to see that end statements are properly matched. +// Check to see that end tokens are properly matched. static int check_end (token *tok, token::end_tok_type expected); // Try to figure out early if an expression should become an @@ -125,6 +126,23 @@ // test in a logical expression. static void maybe_warn_assign_as_truth_value (tree_expression *expr); +// Build a binary expression. +static tree_expression *make_binary_op (int op, tree_expression *op1, + token *tok_val, + tree_expression *op2); + +// Build a prefix expression. +static tree_expression *make_prefix_op (int op, tree_identifier *op1, + token *tok_val); + +// Build a postfix expression. +static tree_expression *make_postfix_op (int op, tree_identifier *op1, + token *tok_val); + +// Build a binary expression. +static tree_expression *make_unary_op (int op, tree_expression *op1, + token *tok_val); + #define ABORT_PARSE \ do \ { \ @@ -161,14 +179,20 @@ tree_parameter_list *tree_parameter_list_type; tree_command *tree_command_type; tree_if_command *tree_if_command_type; + tree_if_clause *tree_if_clause_type; + tree_if_command_list *tree_if_command_list_type; + tree_global *tree_global_type; + tree_global_init_list *tree_global_init_list_type; tree_global_command *tree_global_command_type; - tree_command_list *tree_command_list_type; + tree_statement *tree_statement_type; + tree_statement_list *tree_statement_list_type; tree_plot_command *tree_plot_command_type; - tree_subplot_list *tree_subplot_list_type; - tree_plot_limits *tree_plot_limits_type; - tree_plot_range *tree_plot_range_type; - tree_subplot_using *tree_subplot_using_type; - tree_subplot_style *tree_subplot_style_type; + subplot *subplot_type; + subplot_list *subplot_list_type; + plot_limits *plot_limits_type; + plot_range *plot_range_type; + subplot_using *subplot_using_type; + subplot_style *subplot_style_type; } // Tokens with line and column information. @@ -184,35 +208,41 @@ %token <tok_val> PLOT %token <tok_val> TEXT STYLE %token <tok_val> FOR WHILE IF ELSEIF ELSE BREAK CONTINUE FUNC_RET +%token <tok_val> GLOBAL // Other tokens. %token FCN SCREW_TWO -%token GLOBAL %token ELLIPSIS %token END_OF_INPUT %token USING TITLE WITH COLON OPEN_BRACE CLOSE_BRACE // Nonterminals we construct. -%type <tree_type> input command +%type <tree_type> input %type <tree_expression_type> expression simple_expr simple_expr1 %type <tree_expression_type> ans_expression title %type <tree_matrix_type> matrix %type <tree_identifier_type> identifier -%type <tree_function_type> func_def func_def1 func_def2 func_def3 +%type <tree_function_type> func_def1 func_def2 func_def3 %type <tree_index_expression_type> variable word_list_cmd %type <tree_colon_expression_type> colon_expr -%type <tree_argument_list_type> arg_list arg_list1 word_list word_list1 +%type <tree_argument_list_type> arg_list word_list %type <tree_parameter_list_type> param_list param_list1 func_def1a -%type <tree_command_type> statement -%type <tree_if_command_type> elseif -%type <tree_global_command_type> global_decl global_decl1 -%type <tree_command_list_type> simple_list simple_list1 list list1 opt_list +%type <tree_command_type> command func_def +%type <tree_if_command_type> if_command +%type <tree_if_clause_type> elseif_clause else_clause +%type <tree_if_command_list_type> if_cmd_list1 if_cmd_list +%type <tree_global_type> global_decl2 +%type <tree_global_init_list_type> global_decl1 +%type <tree_global_command_type> global_decl +%type <tree_statement_type> statement +%type <tree_statement_list_type> simple_list simple_list1 list list1 opt_list %type <tree_plot_command_type> plot_command -%type <tree_subplot_list_type> plot_command1 plot_command2 plot_options -%type <tree_plot_limits_type> ranges -%type <tree_plot_range_type> ranges1 -%type <tree_subplot_using_type> using using1 -%type <tree_subplot_style_type> style +%type <subplot_type> plot_command2 plot_options +%type <subplot_list_type> plot_command1 +%type <plot_limits_type> ranges +%type <plot_range_type> ranges1 +%type <subplot_using_type> using using1 +%type <subplot_style_type> style // Precedence and associativity. %left ';' ',' '\n' @@ -287,29 +317,30 @@ | comma_semi { $$ = 0; } | simple_list1 - { $$ = $1->reverse (); } + { $$ = $1; } | simple_list1 semi_comma { - $1->set_print_flag (0); - $$ = $1->reverse (); + tree_statement *tmp = $1->rear (); + tmp->set_print_flag (0); } | simple_list1 comma_semi - { $$ = $1->reverse (); } + { $$ = $1; } ; -simple_list1 : command - { $$ = new tree_command_list ($1); } - | semi_comma command - { $$ = new tree_command_list ($2); } - | comma_semi command - { $$ = new tree_command_list ($2); } - | simple_list1 semi_comma command +simple_list1 : statement + { $$ = new tree_statement_list ($1); } + | semi_comma statement + { $$ = new tree_statement_list ($2); } + | comma_semi statement + { $$ = new tree_statement_list ($2); } + | simple_list1 semi_comma statement { - $1->set_print_flag (0); - $$ = $1->chain ($3); + tree_statement *tmp = $1->rear (); + tmp->set_print_flag (0); + $1->append ($3); } - | simple_list1 comma_semi command - { $$ = $1->chain ($3); } + | simple_list1 comma_semi statement + { $1->append ($3); } ; semi_comma : ';' @@ -332,62 +363,53 @@ ; opt_list : // empty - { $$ = new tree_command_list (); } + { $$ = new tree_statement_list (); } | list { $$ = $1; } ; list : list1 - { $$ = $1->reverse (); } + { $$ = $1; } | list1 comma_nl_sep - { $$ = $1->reverse (); } + { $$ = $1; } | list1 semi_sep { - $1->set_print_flag (0); - $$ = $1->reverse (); + tree_statement *tmp = $1->rear (); + tmp->set_print_flag (0); } ; -list1 : command +list1 : statement { beginning_of_function = 0; - $$ = new tree_command_list ($1); + $$ = new tree_statement_list ($1); } - | list1 comma_nl_sep command - { $$ = $1->chain ($3); } - | list1 semi_sep command + | list1 comma_nl_sep statement + { $1->append ($3); } + | list1 semi_sep statement { - $1->set_print_flag (0); - $$ = $1->chain ($3); + tree_statement *tmp = $1->rear (); + tmp->set_print_flag (0); + $1->append ($3); } ; -command : plot_command - { $$ = $1; } - | statement - { $$ = $1; } +statement : command + { $$ = new tree_statement ($1); } | ans_expression - { $$ = $1; } - | func_def - { $$ = $1; } - | global_decl - { $$ = $1; } + { $$ = new tree_statement ($1); } ; plot_command : PLOT plot_command1 { - tree_subplot_list *tmp = 0; - if ($2) - tmp = $2->reverse (); - - if (! tmp && $1->pttype () != token::replot) + if (! $2 && $1->pttype () != token::replot) { yyerror ("must have something to plot"); ABORT_PARSE; } else { - $$ = new tree_plot_command (tmp, $1->pttype ()); + $$ = new tree_plot_command ($2, $1->pttype ()); plotting = 0; past_plot_range = 0; in_plot_range = 0; @@ -404,8 +426,7 @@ } else { - tree_subplot_list *tmp = $3->reverse (); - $$ = new tree_plot_command (tmp, $2, $1->pttype ()); + $$ = new tree_plot_command ($3, $2, $1->pttype ()); plotting = 0; past_plot_range = 0; in_plot_range = 0; @@ -416,69 +437,72 @@ ; ranges : ranges1 - { $$ = new tree_plot_limits ($1); } + { $$ = new plot_limits ($1); } | ranges1 ranges1 - { $$ = new tree_plot_limits ($1, $2); } + { $$ = new plot_limits ($1, $2); } | ranges1 ranges1 ranges1 - { $$ = new tree_plot_limits ($1, $2, $3); } + { $$ = new plot_limits ($1, $2, $3); } ; ranges1 : OPEN_BRACE expression COLON expression CLOSE_BRACE - { $$ = new tree_plot_range ($2, $4); } + { $$ = new plot_range ($2, $4); } | OPEN_BRACE COLON expression CLOSE_BRACE - { $$ = new tree_plot_range (0, $3); } + { $$ = new plot_range (0, $3); } | OPEN_BRACE expression COLON CLOSE_BRACE - { $$ = new tree_plot_range ($2, 0); } + { $$ = new plot_range ($2, 0); } | OPEN_BRACE COLON CLOSE_BRACE - { $$ = new tree_plot_range (); } + { $$ = new plot_range (); } | OPEN_BRACE CLOSE_BRACE - { $$ = new tree_plot_range (); } + { $$ = new plot_range (); } ; plot_command1 : // empty { $$ = 0; } | plot_command2 - { $$ = $1; } + { $$ = new subplot_list ($1); } | plot_command1 ',' plot_command2 - { $$ = $1->chain ($3); } + { $1->append ($3); } ; plot_command2 : expression - { $$ = new tree_subplot_list ($1); } + { $$ = new subplot ($1); } | expression plot_options - { $$ = $2->set_data ($1); } + { + $2->set_data ($1); + $$ = $2; + } ; plot_options : using - { $$ = new tree_subplot_list ($1, 0, 0); } + { $$ = new subplot ($1, 0, 0); } | title - { $$ = new tree_subplot_list (0, $1, 0); } + { $$ = new subplot (0, $1, 0); } | style - { $$ = new tree_subplot_list (0, 0, $1); } + { $$ = new subplot (0, 0, $1); } | using title - { $$ = new tree_subplot_list ($1, $2, 0); } - | title using - { $$ = new tree_subplot_list ($2, $1, 0); } - | using style - { $$ = new tree_subplot_list ($1, 0, $2); } - | style using - { $$ = new tree_subplot_list ($2, 0, $1); } - | title style - { $$ = new tree_subplot_list (0, $1, $2); } - | style title - { $$ = new tree_subplot_list (0, $2, $1); } - | using title style - { $$ = new tree_subplot_list ($1, $2, $3); } - | using style title - { $$ = new tree_subplot_list ($1, $3, $2); } - | title using style - { $$ = new tree_subplot_list ($2, $1, $3); } - | title style using - { $$ = new tree_subplot_list ($3, $1, $2); } - | style using title - { $$ = new tree_subplot_list ($2, $3, $1); } - | style title using - { $$ = new tree_subplot_list ($3, $2, $1); } + { $$ = new subplot ($1, $2, 0); } + | title using + { $$ = new subplot ($2, $1, 0); } + | using style + { $$ = new subplot ($1, 0, $2); } + | style using + { $$ = new subplot ($2, 0, $1); } + | title style + { $$ = new subplot (0, $1, $2); } + | style title + { $$ = new subplot (0, $2, $1); } + | using title style + { $$ = new subplot ($1, $2, $3); } + | using style title + { $$ = new subplot ($1, $3, $2); } + | title using style + { $$ = new subplot ($2, $1, $3); } + | title style using + { $$ = new subplot ($3, $1, $2); } + | style using title + { $$ = new subplot ($2, $3, $1); } + | style title using + { $$ = new subplot ($3, $2, $1); } ; using : using1 @@ -495,7 +519,7 @@ using1 : USING expression { - tree_subplot_using *tmp = new tree_subplot_using (); + subplot_using *tmp = new subplot_using (); $$ = tmp->add_qualifier ($2); } | using1 COLON expression @@ -507,11 +531,11 @@ ; style : WITH STYLE - { $$ = new tree_subplot_style ($2->string ()); } + { $$ = new subplot_style ($2->string ()); } | WITH STYLE expression - { $$ = new tree_subplot_style ($2->string (), $3); } + { $$ = new subplot_style ($2->string (), $3); } | WITH STYLE expression bogus_syntax expression - { $$ = new tree_subplot_style ($2->string (), $3, $5); } + { $$ = new subplot_style ($2->string (), $3, $5); } ; bogus_syntax : // empty @@ -522,30 +546,25 @@ ; global_decl : GLOBAL global_decl1 - { $$ = $2->reverse (); } - | GLOBAL global_decl1 ',' - { $$ = $2->reverse (); } + { + $$ = new tree_global_command ($2, $1->line (), + $1->column ()); + } ; -global_decl1 : NAME - { - $$ = new tree_global_command - ($1->sym_rec (), $1->line (), $1->column ()); - } - | NAME '=' expression +global_decl1 : global_decl2 + { $$ = new tree_global_init_list ($1); } + | global_decl1 optcomma global_decl2 + { $1->append ($3); } + +global_decl2 : identifier + { $$ = new tree_global ($1); } + | identifier '=' expression { - $$ = new tree_global_command - ($1->sym_rec (), $3, $1->line (), $1->column ()); - } - | global_decl1 optcomma NAME - { - $$ = $1->chain ($3->sym_rec (), $3->line (), - $3->column ()); - } - | global_decl1 optcomma NAME '=' expression - { - $$ = $1->chain ($3->sym_rec (), $5, $3->line (), - $3->column ()); + tree_simple_assignment_expression *tmp_ass; + tmp_ass = new tree_simple_assignment_expression + ($1, $3, 0, $2->line (), $2->column ()); + $$ = new tree_global (tmp_ass); } ; @@ -558,7 +577,18 @@ } ; -statement : WHILE expression optsep opt_list END +command : plot_command + { $$ = $1; } + | func_def + { $$ = $1; } + | global_decl + { $$ = $1; } + | if_command + { + iffing--; + $$ = $1; + } + | WHILE expression optsep opt_list END { maybe_warn_assign_as_truth_value ($2); if (check_end ($5, token::while_end)) @@ -575,51 +605,6 @@ $$ = new tree_for_command ($2, $4, $6, $1->line (), $1->column ()); } - | IF expression optsep opt_list END - { - maybe_warn_assign_as_truth_value ($2); - if (check_end ($5, token::if_end)) - ABORT_PARSE; - iffing--; - $$ = new tree_if_command ($2, $4, - $1->line (), $1->column ()); - } - | IF expression optsep opt_list ELSE optsep opt_list END - { - maybe_warn_assign_as_truth_value ($2); - if (check_end ($8, token::if_end)) - ABORT_PARSE; - iffing--; - tree_if_command *t1 = new tree_if_command - ($7, $5->line (), $5->column ()); - $$ = t1->chain ($2, $4, $1->line (), $1->column ()); - } - | IF expression optsep opt_list elseif END - { - maybe_warn_assign_as_truth_value ($2); - if (check_end ($6, token::if_end)) - ABORT_PARSE; - iffing--; - tree_if_command *t1 = $5->reverse (); - // Add the if list to the new head of the elseif - // list, and return the list. - $$ = t1->chain ($2, $4, $1->line (), $1->column ()); - } - | IF expression optsep opt_list elseif ELSE optsep opt_list END - { - maybe_warn_assign_as_truth_value ($2); - if (check_end ($9, token::if_end)) - ABORT_PARSE; - iffing--; - // Add the else list to the head of the elseif list, - // then reverse the list. - tree_if_command *t1 = $5->chain ($8, $6->line (), - $6->column ()); - t1 = t1->reverse (); - // Add the if list to the new head of the elseif - // list, and return the list. - $$ = t1->chain ($2, $4, $1->line (), $1->column ()); - } | BREAK { if (!looping) @@ -655,17 +640,39 @@ } ; -elseif : ELSEIF optsep expression optsep opt_list +if_command : IF if_cmd_list END + { + if (check_end ($3, token::if_end)) + ABORT_PARSE; + $$ = new tree_if_command ($2, $1->line (), $1->column ()); + } + ; + +if_cmd_list : if_cmd_list1 + { $$ = $1 } + | if_cmd_list1 else_clause + { $1->append ($2); } + ; + +if_cmd_list1 : expression optsep opt_list + { + maybe_warn_assign_as_truth_value ($1); + tree_if_clause *t = new tree_if_clause ($1, $3); + $$ = new tree_if_command_list (t); + } + | if_cmd_list1 elseif_clause + { $1->append ($2); } + ; + +elseif_clause : ELSEIF optsep expression optsep opt_list { maybe_warn_assign_as_truth_value ($3); - $$ = new tree_if_command ($3, $5, $1->line (), - $1->column ()); + $$ = new tree_if_clause ($3, $5); } - | elseif ELSEIF optsep expression optsep opt_list - { - maybe_warn_assign_as_truth_value ($4); - $$ = $1->chain ($4, $6, $2->line (), $2->column ()); - } + ; + +else_clause : ELSE optsep opt_list + { $$ = new tree_if_clause ($3); } ; optsep : // empty @@ -686,7 +693,7 @@ expression : variable '=' expression { $$ = new tree_simple_assignment_expression - ($1, $3, $2->line (), $2->column ()); } + ($1, $3, 0, $2->line (), $2->column ()); } | '[' screwed_again matrix_row SCREW_TWO '=' expression { @@ -727,77 +734,53 @@ simple_expr : simple_expr1 { $$ = $1; } | identifier PLUS_PLUS - { $$ = new tree_postfix_expression - ($1, tree::increment, $2->line (), $2->column ()); } + { $$ = make_postfix_op (PLUS_PLUS, $1, $2); } | identifier MINUS_MINUS - { $$ = new tree_postfix_expression - ($1, tree::decrement, $2->line (), $2->column ()); } + { $$ = make_postfix_op (MINUS_MINUS, $1, $2); } | simple_expr QUOTE - { $$ = new tree_unary_expression - ($1, tree::hermitian, $2->line (), $2->column ()); } + { $$ = make_unary_op (QUOTE, $1, $2); } | simple_expr TRANSPOSE - { $$ = new tree_unary_expression - ($1, tree::transpose, $2->line (), $2->column ()); } + { $$ = make_unary_op (TRANSPOSE, $1, $2); } | simple_expr POW simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::power, $2->line (), $2->column ()); } + { $$ = make_binary_op (POW, $1, $2, $3); } | simple_expr EPOW simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::elem_pow, $2->line (), $2->column ()); } + { $$ = make_binary_op (EPOW, $1, $2, $3); } | simple_expr '+' simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::add, $2->line (), $2->column ()); } + { $$ = make_binary_op ('+', $1, $2, $3); } | simple_expr '-' simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::subtract, $2->line (), $2->column ()); } + { $$ = make_binary_op ('-', $1, $2, $3); } | simple_expr '*' simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::multiply, $2->line (), $2->column ()); } + { $$ = make_binary_op ('*', $1, $2, $3); } | simple_expr '/' simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::divide, $2->line (), $2->column ()); } + { $$ = make_binary_op ('/', $1, $2, $3); } | simple_expr EMUL simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::el_mul, $2->line (), $2->column ()); } + { $$ = make_binary_op (EMUL, $1, $2, $3); } | simple_expr EDIV simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::el_div, $2->line (), $2->column ()); } + { $$ = make_binary_op (EDIV, $1, $2, $3); } | simple_expr LEFTDIV simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::leftdiv, $2->line (), $2->column ()); } + { $$ = make_binary_op (LEFTDIV, $1, $2, $3); } | simple_expr ELEFTDIV simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::el_leftdiv, $2->line (), $2->column ()); } + { $$ = make_binary_op (ELEFTDIV, $1, $2, $3); } | simple_expr EXPR_LT simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::cmp_lt, $2->line (), $2->column ()); } + { $$ = make_binary_op (EXPR_LT, $1, $2, $3); } | simple_expr EXPR_LE simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::cmp_le, $2->line (), $2->column ()); } + { $$ = make_binary_op (EXPR_LE, $1, $2, $3); } | simple_expr EXPR_EQ simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::cmp_eq, $2->line (), $2->column ()); } + { $$ = make_binary_op (EXPR_EQ, $1, $2, $3); } | simple_expr EXPR_GE simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::cmp_ge, $2->line (), $2->column ()); } + { $$ = make_binary_op (EXPR_GE, $1, $2, $3); } | simple_expr EXPR_GT simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::cmp_gt, $2->line (), $2->column ()); } + { $$ = make_binary_op (EXPR_GT, $1, $2, $3); } | simple_expr EXPR_NE simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::cmp_ne, $2->line (), $2->column ()); } + { $$ = make_binary_op (EXPR_NE, $1, $2, $3); } | simple_expr EXPR_AND_AND simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::and_and, $2->line (), $2->column ()); } + { $$ = make_binary_op (EXPR_AND_AND, $1, $2, $3); } | simple_expr EXPR_OR_OR simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::or_or, $2->line (), $2->column ()); } + { $$ = make_binary_op (EXPR_OR_OR, $1, $2, $3); } | simple_expr EXPR_AND simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::and, $2->line (), $2->column ()); } + { $$ = make_binary_op (EXPR_AND, $1, $2, $3); } | simple_expr EXPR_OR simple_expr - { $$ = new tree_binary_expression - ($1, $3, tree::or, $2->line (), $2->column ()); } + { $$ = make_binary_op (EXPR_OR, $1, $2, $3); } ; simple_expr1 : NUM @@ -831,19 +814,15 @@ | colon_expr { $$ = $1; } | PLUS_PLUS identifier %prec UNARY - { $$ = new tree_prefix_expression - ($2, tree::increment, $1->line (), $1->column ()); } + { $$ = make_prefix_op (PLUS_PLUS, $2, $1); } | MINUS_MINUS identifier %prec UNARY - { $$ = new tree_prefix_expression - ($2, tree::decrement, $1->line (), $1->column ()); } + { $$ = make_prefix_op (MINUS_MINUS, $2, $1); } | EXPR_NOT simple_expr - { $$ = new tree_unary_expression - ($2, tree::not, $1->line (), $1->column ()); } + { $$ = make_unary_op (EXPR_NOT, $2, $1); } | '+' simple_expr %prec UNARY { $$ = $2; } | '-' simple_expr %prec UNARY - { $$ = new tree_unary_expression - ($2, tree::uminus, $1->line (), $1->column ()); } + { $$ = make_unary_op ('-', $2, $1); } ; colon_expr : simple_expr ':' simple_expr @@ -867,19 +846,15 @@ } ; -word_list : word_list1 - { $$ = $1->reverse (); } - ; - -word_list1 : TEXT +word_list : TEXT { tree_constant *tmp = new tree_constant ($1->string ()); $$ = new tree_argument_list (tmp); } - | word_list1 TEXT + | word_list TEXT { tree_constant *tmp = new tree_constant ($2->string ()); - $$ = $1->chain (tmp); + $1->append (tmp); } ; @@ -920,22 +895,20 @@ tree_identifier *tmp = new tree_identifier ($1->sym_rec (), $1->line (), $1->column ()); tree_parameter_list *tpl = new tree_parameter_list (tmp); - tpl = tpl->reverse (); tpl->mark_as_formal_parameters (); $$ = $5->define_ret_list (tpl); } | func_def1a ']' g_symtab '=' func_def2 { - tree_parameter_list *tpl = $1->reverse (); - tpl->mark_as_formal_parameters (); - $$ = $5->define_ret_list (tpl); + $1->mark_as_formal_parameters (); + $$ = $5->define_ret_list ($1); } ; func_def1a : '[' safe local_symtab identifier { $$ = new tree_parameter_list ($4); } | func_def1a ',' identifier - { $$ = $1->chain ($3); } + { $1->append ($3); } ; func_def2 : identifier safe local_symtab func_def3 @@ -1053,24 +1026,20 @@ | param_list1 ')' { quote_is_transpose = 0; - tree_parameter_list *tmp = $1->reverse (); - tmp->mark_as_formal_parameters (); - $$ = tmp; + $1->mark_as_formal_parameters (); } | param_list1 ',' ELLIPSIS ')' { quote_is_transpose = 0; - tree_parameter_list *tmp = $1->reverse (); - tmp->mark_as_formal_parameters (); - tmp->mark_varargs (); - $$ = tmp; + $1->mark_as_formal_parameters (); + $1->mark_varargs (); } ; param_list1 : '(' identifier { $$ = new tree_parameter_list ($2); } | param_list1 ',' identifier - { $$ = $1->chain ($3); } + { $1->append ($3); } | '(' error { yyerror ("parse error"); @@ -1092,38 +1061,22 @@ } ; -arg_list : arg_list1 - { $$ = $1->reverse (); } - ; - -arg_list1 : ':' +arg_list : ':' { tree_constant *colon; colon = new tree_constant (tree_constant_rep::magic_colon); $$ = new tree_argument_list (colon); } - | arg_list1 ',' ':' + | arg_list ',' ':' { tree_constant *colon; colon = new tree_constant (tree_constant_rep::magic_colon); - $$ = $1->chain (colon); - if (! $$) - { - yyerror ("parse error"); - ABORT_PARSE; - } + $1->append (colon); } | expression { $$ = new tree_argument_list ($1); } - | arg_list1 ',' expression - { - $$ = $1->chain ($3); - if (! $$) - { - yyerror ("parse error"); - ABORT_PARSE; - } - } + | arg_list ',' expression + { $1->append ($3); } ; matrix : '[' screwed_again rows ']' @@ -1146,13 +1099,14 @@ { mlnm.pop (); mlnm.push (0); - tree_matrix *tmp = new tree_matrix ($1, tree::md_none); + tree_matrix *tmp = new tree_matrix + ($1, tree_matrix::md_none); ml.push (tmp); } else { tree_matrix *tmp = ml.pop (); - tmp = tmp->chain ($1, tree::md_down); + tmp = tmp->chain ($1, tree_matrix::md_down); ml.push (tmp); } } @@ -1160,7 +1114,7 @@ | matrix_row ',' expression { tree_matrix *tmp = ml.pop (); - tmp = tmp->chain ($3, tree::md_right); + tmp = tmp->chain ($3, tree_matrix::md_right); ml.push (tmp); } ; @@ -1312,3 +1266,156 @@ warning ("suggest parenthesis around assignment used as truth value"); } } + +static tree_expression * +make_binary_op (int op, tree_expression *op1, token *tok_val, + tree_expression *op2) +{ + tree_expression::type t; + switch (op) + { + case POW: + t = tree_expression::power; + break; + case EPOW: + t = tree_expression::elem_pow; + break; + case '+': + t = tree_expression::add; + break; + case '-': + t = tree_expression::subtract; + break; + case '*': + t = tree_expression::multiply; + break; + case '/': + t = tree_expression::divide; + break; + case EMUL: + t = tree_expression::el_mul; + break; + case EDIV: + t = tree_expression::el_div; + break; + case LEFTDIV: + t = tree_expression::leftdiv; + break; + case ELEFTDIV: + t = tree_expression::el_leftdiv; + break; + case EXPR_LT: + t = tree_expression::cmp_lt; + break; + case EXPR_LE: + t = tree_expression::cmp_le; + break; + case EXPR_EQ: + t = tree_expression::cmp_eq; + break; + case EXPR_GE: + t = tree_expression::cmp_ge; + break; + case EXPR_GT: + t = tree_expression::cmp_gt; + break; + case EXPR_NE: + t = tree_expression::cmp_ne; + break; + case EXPR_AND_AND: + t = tree_expression::and_and; + break; + case EXPR_OR_OR: + t = tree_expression::or_or; + break; + case EXPR_AND: + t = tree_expression::and; + break; + case EXPR_OR: + t = tree_expression::or; + break; + default: + panic_impossible (); + break; + } + + int l = tok_val->line (); + int c = tok_val->column (); + + return new tree_binary_expression (op1, op2, t, l, c); +} + +static tree_expression * +make_prefix_op (int op, tree_identifier *op1, token *tok_val) +{ + tree_expression::type t; + switch (op) + { + case PLUS_PLUS: + t = tree_expression::increment; + break; + case MINUS_MINUS: + t = tree_expression::decrement; + break; + default: + panic_impossible (); + break; + } + + int l = tok_val->line (); + int c = tok_val->column (); + + return new tree_prefix_expression (op1, t, l, c); +} + +static tree_expression * +make_postfix_op (int op, tree_identifier *op1, token *tok_val) +{ + tree_expression::type t; + switch (op) + { + case PLUS_PLUS: + t = tree_expression::increment; + break; + case MINUS_MINUS: + t = tree_expression::decrement; + break; + default: + panic_impossible (); + break; + } + + int l = tok_val->line (); + int c = tok_val->column (); + + return new tree_postfix_expression (op1, t, l, c); +} + +static tree_expression * +make_unary_op (int op, tree_expression *op1, token *tok_val) +{ + tree_expression::type t; + switch (op) + { + case QUOTE: + t = tree_expression::hermitian; + break; + case TRANSPOSE: + t = tree_expression::transpose; + break; + case EXPR_NOT: + t = tree_expression::not; + break; + case '-': + t = tree_expression::uminus; + break; + default: + panic_impossible (); + break; + } + + int l = tok_val->line (); + int c = tok_val->column (); + + return new tree_unary_expression (op1, t, l, c); +}
--- a/src/pt-base.h Wed Aug 03 20:06:54 1994 +0000 +++ b/src/pt-base.h Wed Aug 03 20:07:26 1994 +0000 @@ -33,58 +33,19 @@ tree { public: - enum matrix_dir - { - md_none, - md_right, - md_down, - }; - - enum expression_type + tree (int l = -1, int c = -1) { - unknown, - assignment, - simple_assignment, - multi_assignment, - add, - subtract, - multiply, - el_mul, - divide, - el_div, - leftdiv, - el_leftdiv, - power, - elem_pow, - cmp_lt, - cmp_le, - cmp_eq, - cmp_ge, - cmp_gt, - cmp_ne, - and_and, - or_or, - and, - or, - not, - unot, - uminus, - hermitian, - transpose, - colon, - index, - increment, - decrement, - }; + line_num = l; + column_num = c; + } virtual ~tree (void) { } - virtual tree_constant eval (int print) = 0; + virtual int line (void) const { return line_num; } - virtual int line (void) const { return line_num; } virtual int column (void) const { return column_num; } -protected: +private: int line_num; int column_num; };
--- a/src/pt-cmd.cc Wed Aug 03 20:06:54 1994 +0000 +++ b/src/pt-cmd.cc Wed Aug 03 20:07:26 1994 +0000 @@ -31,25 +31,27 @@ #include <iostream.h> +// Nonzero means we're breaking out of a loop. +int breaking = 0; + +// Nonzero means we're jumping to the end of a loop. +int continuing = 0; + +// Nonzero means we're returning from a function. Global because it +// is also needed in tree-expr.cc. +int returning = 0; + #include "user-prefs.h" #include "variables.h" #include "symtab.h" #include "error.h" #include "gripes.h" #include "tree.h" +#include "tree-expr.h" #include "tree-cmd.h" +#include "tree-misc.h" #include "tree-const.h" -// Nonzero means we're breaking out of a loop. -static int breaking = 0; - -// Nonzero means we're jumping to the end of a loop. -static int continuing = 0; - -// Nonzero means we're returning from a function. Global because it -// is also needed in tree-expr.cc. -int returning = 0; - // Decide if it's time to quit a for or while loop. static int quit_loop_now (void) @@ -72,9 +74,9 @@ // We seem to have no use for this now. Maybe it will be needed at // some future date, so here it is. #if 0 -/* - * Convert a linked list of trees to a vector of pointers to trees. - */ + +// Convert a linked list of trees to a vector of pointers to trees. + static tree ** list_to_vector (tree *list, int& len) { @@ -94,243 +96,25 @@ } #endif -/* - * A command or two to be executed. - */ -tree_command_list::tree_command_list (void) -{ - command = 0; - print_flag = 1; - next = 0; -} +// Global. -tree_command_list::tree_command_list (tree *t) +tree_global_command::~tree_global_command (void) { - command = t; - print_flag = 1; - next = 0; -} - -tree_command_list::~tree_command_list (void) -{ - delete command; - delete next; + delete init_list; } void -tree_command_list::set_print_flag (int flag) -{ - print_flag = flag; -} - -tree_command_list * -tree_command_list::chain (tree *t) -{ - tree_command_list *tmp = new tree_command_list (t); - tmp->next = this; - return tmp; -} - -tree_command_list * -tree_command_list::reverse (void) -{ - tree_command_list *list = this; - tree_command_list *next; - tree_command_list *prev = 0; - - while (list) - { - next = list->next; - list->next = prev; - prev = list; - list = next; - } - return prev; -} - -tree_constant -tree_command_list::eval (int print) -{ - int pf; - tree_constant retval; - - if (error_state) - return retval; - - for (tree_command_list *list = this; list; list = list->next) - { - if (print == 0) - pf = 0; - else - pf = list->print_flag; - - tree *cmd = list->command; - if (! cmd) - retval = tree_constant (); - else - { - retval = cmd->eval (pf); - - if (error_state) - return tree_constant (); - - if (breaking || continuing) - break; - - if (returning) - break; - } - } - return retval; -} - -/* - * Global. - */ -tree_global_command::tree_global_command (int l, int c) -{ - line_num = l; - column_num = c; - sr = 0; - rhs = 0; - next = 0; -} - -tree_global_command::tree_global_command (symbol_record *s, int l, int c) -{ - line_num = l; - column_num = c; - sr = s; - rhs = 0; - next = 0; -} - -tree_global_command::tree_global_command (symbol_record *s, - tree_expression *e, - int l, int c) +tree_global_command::eval (void) { - line_num = l; - column_num = c; - sr = s; - rhs = e; - next = 0; -} - -tree_global_command::~tree_global_command (void) -{ - delete next; -} - -tree_global_command * -tree_global_command::chain (symbol_record *s, int l, int c) -{ - tree_global_command *tmp = new tree_global_command (s, l, c); - tmp->next = this; - return tmp; -} - -tree_global_command * -tree_global_command::chain (symbol_record *s, tree_expression *e, - int l, int c) -{ - tree_global_command *tmp = new tree_global_command (s, e, l, c); - tmp->next = this; - return tmp; -} - -tree_global_command * -tree_global_command::reverse (void) -{ - tree_global_command *list = this; - tree_global_command *next; - tree_global_command *prev = 0; + if (init_list) + init_list->eval (); - while (list) - { - next = list->next; - list->next = prev; - prev = list; - list = next; - } - return prev; -} - -tree_constant -tree_global_command::eval (int print) -{ - tree_constant retval; - - link_to_global_variable (sr); - - if (rhs) - { - tree_identifier *id = new tree_identifier (sr); - tree_constant tmp_rhs = rhs->eval (0); - if (error_state) - { - delete id; - eval_error (); - return retval; - } - else - { - tree_constant *tmp_val = new tree_constant (tmp_rhs); - - tree_simple_assignment_expression tmp_ass (id, tmp_val); - - tmp_ass.eval (0); - - delete id; // XXX FIXME XXX - - if (error_state) - { - eval_error (); - return retval; - } - } - } - - if (next) - next->eval (print); - - return retval; -} - -void -tree_global_command::eval_error (void) -{ if (error_state > 0) ::error ("evaluating global command near line %d, column %d", line (), column ()); } -/* - * While. - */ -tree_while_command::tree_while_command (int l, int c) -{ - line_num = l; - column_num = c; - expr = 0; - list = 0; -} - -tree_while_command::tree_while_command (tree_expression *e, int l, int c) -{ - line_num = l; - column_num = c; - expr = e; - list = 0; -} - -tree_while_command::tree_while_command (tree_expression *e, tree *lst, - int l, int c) -{ - line_num = l; - column_num = c; - expr = e; - list = lst; -} +// While. tree_while_command::~tree_while_command (void) { @@ -338,25 +122,23 @@ delete list; } -tree_constant -tree_while_command::eval (int print) +void +tree_while_command::eval (void) { - tree_constant retval; - if (error_state) - return retval; + return; for (;;) { int expr_value = 0; if (! expr) - return tree_constant (); + return; tree_constant t1 = expr->eval (0); if (error_state) { eval_error (); - return tree_constant (); + return; } if (t1.rows () == 0 || t1.columns () == 0) @@ -367,7 +149,7 @@ else if (flag == 0) { ::error ("while: empty matrix used in conditional"); - return tree_constant (); + return; } t1 = tree_constant (0.0); } @@ -389,11 +171,11 @@ { if (list) { - retval = list->eval (1); + list->eval (1); if (error_state) { eval_error (); - return tree_constant (); + return; } } @@ -403,7 +185,6 @@ else break; } - return retval; } void @@ -414,28 +195,7 @@ line (), column ()); } -/* - * For. - */ -tree_for_command::tree_for_command (int l, int c) -{ - line_num = l; - column_num = c; - id = 0; - expr = 0; - list = 0; -} - -tree_for_command::tree_for_command (tree_index_expression *ident, - tree_expression *e, tree *lst, - int l, int c) -{ - line_num = l; - column_num = c; - id = ident; - expr = e; - list = lst; -} +// For. tree_for_command::~tree_for_command (void) { @@ -444,20 +204,18 @@ delete list; } -tree_constant -tree_for_command::eval (int print) +void +tree_for_command::eval (void) { - tree_constant retval; - if (error_state || ! expr) - return retval; + return; tree_constant tmp_expr = expr->eval (0); if (error_state || tmp_expr.is_undefined ()) { eval_error (); - return retval; + return; } tree_constant_rep::constant_type expr_type = tmp_expr.const_type (); @@ -468,7 +226,7 @@ { tree_constant *rhs = new tree_constant (tmp_expr); int quit = 0; - retval = do_for_loop_once (rhs, quit); + do_for_loop_once (rhs, quit); } break; case tree_constant_rep::complex_matrix_constant: @@ -511,7 +269,7 @@ } int quit = 0; - retval = do_for_loop_once (rhs, quit); + do_for_loop_once (rhs, quit); if (quit) break; } @@ -535,7 +293,7 @@ tree_constant *rhs = new tree_constant (tmp_val); int quit = 0; - retval = do_for_loop_once (rhs, quit); + do_for_loop_once (rhs, quit); if (quit) break; } @@ -545,8 +303,6 @@ panic_impossible (); break; } - - return retval; } void @@ -557,260 +313,78 @@ line (), column ()); } -tree_constant +void tree_for_command::do_for_loop_once (tree_constant *rhs, int& quit) { - tree_constant retval; - quit = 0; - tree_simple_assignment_expression tmp_ass (id, rhs); + tree_simple_assignment_expression tmp_ass (id, rhs, 1); tmp_ass.eval (0); if (error_state) { eval_error (); - return tree_constant (); + return; } if (list) { - retval = list->eval (1); + list->eval (1); if (error_state) { eval_error (); quit = 1; - return tree_constant (); + return; } } quit = quit_loop_now (); - - return retval; -} - -/* - * If. - */ -tree_if_command::tree_if_command (int l, int c) -{ - line_num = l; - column_num = c; - expr = 0; - list = 0; - next = 0; } -tree_if_command::tree_if_command (tree *lst, int l, int c) -{ - line_num = l; - column_num = c; - expr = 0; - list = lst; - next = 0; -} - -tree_if_command::tree_if_command (tree_expression *e, tree *lst, - int l, int c) -{ - line_num = l; - column_num = c; - expr = e; - list = lst; - next = 0; -} +// If. tree_if_command::~tree_if_command (void) { - delete expr; delete list; - delete next; -} - -tree_if_command * -tree_if_command::chain (tree *lst, int l, int c) -{ - tree_if_command *tmp = new tree_if_command (lst, l, c); - tmp->next = this; - return tmp; -} - -tree_if_command * -tree_if_command::chain (tree_expression *e, tree *lst, int l, int c) -{ - tree_if_command *tmp = new tree_if_command (e, lst, l, c); - tmp->next = this; - return tmp; -} - -tree_if_command * -tree_if_command::reverse (void) -{ - tree_if_command *list = this; - tree_if_command *next; - tree_if_command *prev = 0; - - while (list) - { - next = list->next; - list->next = prev; - prev = list; - list = next; - } - return prev; -} - -tree_constant -tree_if_command::eval (int print) -{ - int expr_value = 0; - tree_constant retval; - - if (error_state) - return retval; - - - for (tree_if_command *lst = this; lst; lst = lst->next) - { - if (lst->expr) - { - tree_expression *tmp = lst->expr; - if (! tmp) - return tree_constant (); - tree_constant t1 = tmp->eval (0); - if (error_state || t1.is_undefined ()) - { - lst->eval_error (); - break; - } - - if (t1.rows () == 0 || t1.columns () == 0) - { - int flag = user_pref.propagate_empty_matrices; - if (flag < 0) - warning ("if: empty matrix used in conditional"); - else if (flag == 0) - { - ::error ("if: empty matrix used in conditional"); - lst->eval_error (); - return tree_constant (); - } - t1 = tree_constant (0.0); - } - else if (! t1.is_scalar_type ()) - { - tree_constant t2 = t1.all (); - t1 = t2.all (); - } - - tree_constant_rep::constant_type t = t1.const_type (); - if (t == tree_constant_rep::scalar_constant) - expr_value = (int) t1.double_value (); - else if (t == tree_constant_rep::complex_scalar_constant) - expr_value = t1.complex_value () != 0.0; - else - panic_impossible (); - - if (expr_value) - { - if (lst->list) - retval = lst->list->eval (1); - else - ::error ("if: empty command list"); - - if (error_state) - lst->eval_error (); - - break; - } - } - else - { - if (lst->list) - retval = lst->list->eval (1); - else - ::error ("if: empty command list"); - - if (error_state) - lst->eval_error (); - - break; - } - } - - return retval; } void -tree_if_command::eval_error (void) +tree_if_command::eval (void) { + if (list) + list->eval (); + if (error_state > 0) ::error ("evaluating if command near line %d, column %d", line (), column ()); } -/* - * Break. Is this overkill, or what? - */ -tree_break_command::tree_break_command (int l, int c) -{ - line_num = l; - column_num = c; -} +// Break. -tree_break_command::~tree_break_command (void) -{ -} - -tree_constant -tree_break_command::eval (int print) +void +tree_break_command::eval (void) { if (! error_state) breaking = 1; - return tree_constant (); } -/* - * Continue. - */ -tree_continue_command::tree_continue_command (int l, int c) -{ - line_num = l; - column_num = c; -} +// Continue. -tree_continue_command::~tree_continue_command (void) -{ -} - -tree_constant -tree_continue_command::eval (int print) +void +tree_continue_command::eval (void) { if (! error_state) continuing = 1; - return tree_constant (); } -/* - * Return. - */ -tree_return_command::tree_return_command (int l, int c) -{ - line_num = l; - column_num = c; -} +// Return. -tree_return_command::~tree_return_command (void) -{ -} - -tree_constant -tree_return_command::eval (int print) +void +tree_return_command::eval (void) { if (! error_state) returning = 1; - return tree_constant (); } /*
--- a/src/pt-cmd.h Wed Aug 03 20:06:54 1994 +0000 +++ b/src/pt-cmd.h Wed Aug 03 20:07:26 1994 +0000 @@ -28,13 +28,15 @@ #pragma interface #endif +class tree_statement_list; +class tree_global_init_list; +class tree_if_command_list; class tree_expression; class tree_index_expression; class tree_constant; class symbol_record; class tree_command; -class tree_command_list; class tree_global_command; class tree_while_command; class tree_for_command; @@ -43,183 +45,172 @@ class tree_continue_command; class tree_return_command; -/* - * A base class for commands. - */ +#include "tree-base.h" + +// A base class for commands. + class tree_command : public tree { +public: + tree_command (int l = -1, int c = -1) : tree (l, c) { } + + virtual void eval (void) = 0; }; -/* - * A command or two to be executed. - */ -class -tree_command_list : public tree_command -{ - public: - tree_command_list (void); - tree_command_list (tree *t); - - ~tree_command_list (void); - - tree_command_list *chain (tree *t); - tree_command_list *reverse (void); - - void set_print_flag (int print); - - tree_constant eval (int print); - - private: - tree *command; // Command to execute. - int print_flag; // Print result of eval for this command? - tree_command_list *next; // Next command in list. -}; - -/* - * Global. - */ class tree_global_command : public tree_command { public: - tree_global_command (int l = -1, int c = -1); - tree_global_command (symbol_record *s, int l = -1, int c = -1); - tree_global_command (symbol_record *s, tree_expression *e, - int l = -1, int c = -1); + tree_global_command (int l = -1, int c = -1) : tree_command (l, c) + { init_list = 0; } + + tree_global_command (tree_global_init_list *t, int l = -1, int c = -1) + : tree_command (l, c) + { init_list = t; } ~tree_global_command (void); - tree_global_command *chain (symbol_record *s, int l = -1, int c = -1); - tree_global_command *chain (symbol_record *s, tree_expression *e, - int l = -1, int c = -1); - tree_global_command *reverse (void); - - tree_constant eval (int print); + void eval (void); - void eval_error (void); - - private: - symbol_record *sr; // Symbol record from local symbol table. - tree_expression *rhs; // RHS of assignment. - tree_global_command *next; // Next global command. +private: + tree_global_init_list *init_list; }; -/* - * While. - */ +// While. + class tree_while_command : public tree_command { public: - tree_while_command (int l = -1, int c = -1); - tree_while_command (tree_expression *e, int l = -1, int c = -1); - tree_while_command (tree_expression *e, tree *lst, int l = -1, int c = -1); + tree_while_command (int l = -1, int c = -1) : tree_command (l, c) + { + expr = 0; + list = 0; + } + + tree_while_command (tree_expression *e, int l = -1, int c = -1) + : tree_command (l, c) + { + expr = e; + list = 0; + } + + tree_while_command (tree_expression *e, tree_statement_list *lst, + int l = -1, int c = -1) + : tree_command (l, c) + { + expr = e; + list = lst; + } ~tree_while_command (void); - tree_constant eval (int print); + void eval (void); void eval_error (void); private: tree_expression *expr; // Expression to test. - tree *list; // List of commands to execute. + tree_statement_list *list; // List of commands to execute. }; -/* - * For. - */ +// For. + class tree_for_command : public tree_command { public: - tree_for_command (int l = -1, int c = -1); - tree_for_command (tree_index_expression *id, tree_expression *e, tree *lst, - int l = -1, int c = -1); + tree_for_command (int l = -1, int c = -1) : tree_command (l, c) + { + id = 0; + expr = 0; + list = 0; + } + + tree_for_command (tree_index_expression *ident, tree_expression *e, + tree_statement_list *lst, int l = -1, int c = -1) + : tree_command (l, c) + { + id = ident; + expr = e; + list = lst; + } ~tree_for_command (void); - tree_constant eval (int print); + void eval (void); void eval_error (void); private: - tree_constant do_for_loop_once (tree_constant *rhs, int& quit); + void do_for_loop_once (tree_constant *rhs, int& quit); tree_index_expression *id; // Identifier to modify. tree_expression *expr; // Expression to evaluate. - tree *list; // List of commands to execute. + tree_statement_list *list; // List of commands to execute. }; -/* - * Simple if. - */ +// If. + class tree_if_command : public tree_command { public: - tree_if_command (int l = -1, int c = -1); - tree_if_command (tree *lst, int l = -1, int c = -1); - tree_if_command (tree_expression *e, tree *lst, int l = -1, int c = -1); + tree_if_command (int l = -1, int c = -1) : tree_command (l, c) + { list = 0; } + + tree_if_command (tree_if_command_list *lst, int l = -1, int c = -1) + : tree_command (l, c) + { list = lst; } ~tree_if_command (void); - tree_if_command *chain (tree *lst, int l = -1, int c = -1); - tree_if_command *chain (tree_expression *e, tree *lst, int l = -1, - int c = -1); - tree_if_command *reverse (void); - - tree_constant eval (int print); + void eval (void); void eval_error (void); private: - tree_expression *expr; // Expression to test. - tree *list; // Commands to execute. - tree_if_command *next; // Next if command. + tree_if_command_list *list; }; -/* - * Break. - */ +// Break. + class tree_break_command : public tree_command { public: - tree_break_command (int l = -1, int c = -1); + tree_break_command (int l = -1, int c = -1) : tree_command (l, c) { } - ~tree_break_command (void); + ~tree_break_command (void) { } - tree_constant eval (int print); + void eval (void); }; -/* - * Continue. - */ +// Continue. + class tree_continue_command : public tree_command { public: - tree_continue_command (int l = -1, int c = -1); + tree_continue_command (int l = -1, int c = -1) : tree_command (l, c) { } - ~tree_continue_command (void); + ~tree_continue_command (void) { } - tree_constant eval (int print); + void eval (void); }; -/* - * Return. - */ +// Return. + class tree_return_command : public tree_command { - public: - tree_return_command (int l = -1, int c = -1); +public: + tree_return_command (int l = -1, int c = -1) : tree_command (l, c) { } - ~tree_return_command (void); + ~tree_return_command (void) { } - tree_constant eval (int print); + void eval (void); }; #endif
--- a/src/pt-const.h Wed Aug 03 20:06:54 1994 +0000 +++ b/src/pt-const.h Wed Aug 03 20:07:26 1994 +0000 @@ -248,7 +248,7 @@ tree_constant mapper (Mapper_fcn& m_fcn, int print) const { return rep->mapper (m_fcn, print); } - void bump_value (tree::expression_type et) + void bump_value (tree_expression::type et) { if (rep->count > 1) {
--- a/src/pt-exp-base.cc Wed Aug 03 20:06:54 1994 +0000 +++ b/src/pt-exp-base.cc Wed Aug 03 20:07:26 1994 +0000 @@ -47,6 +47,7 @@ #include "pager.h" #include "tree.h" #include "tree-expr.h" +#include "tree-misc.h" #include "tree-const.h" #include "input.h" #include "symtab.h" @@ -71,9 +72,8 @@ // We seem to have no use for this now. Maybe it will be needed at // some future date, so here it is. #if 0 -/* - * Convert a linked list of trees to a vector of pointers to trees. - */ +// Convert a linked list of trees to a vector of pointers to trees. + static tree ** list_to_vector (tree *list, int& len) { @@ -106,9 +106,8 @@ || nc == 0))); } -/* - * Make sure that all arguments have values. - */ +// Make sure that all arguments have values. + static int all_args_defined (const Octave_object& args) { @@ -122,9 +121,8 @@ return 1; } -/* - * Are any of the arguments `:'? - */ +// Are any of the arguments `:'? + static int any_arg_is_magic_colon (const Octave_object& args) { @@ -142,24 +140,9 @@ // are now defined in tree-const.cc. This should help speed up // compilation when working only on the tree_constant class. -/* - * General matrices. This list type is much more work to handle than - * constant matrices, but it allows us to construct matrices from - * other matrices, variables, and functions. - */ -tree_matrix::tree_matrix (void) -{ - dir = tree::md_none; - element = 0; - next = 0; -} - -tree_matrix::tree_matrix (tree_expression *e, tree::matrix_dir d) -{ - dir = d; - element = e; - next = 0; -} +// General matrices. This list type is much more work to handle than +// constant matrices, but it allows us to construct matrices from +// other matrices, variables, and functions. tree_matrix::~tree_matrix (void) { @@ -168,7 +151,7 @@ } tree_matrix * -tree_matrix::chain (tree_expression *t, tree::matrix_dir d) +tree_matrix::chain (tree_expression *t, tree_matrix::dir d) { tree_matrix *tmp = new tree_matrix (t, d); tmp->next = this; @@ -209,26 +192,32 @@ tree_matrix::to_return_list (void) { tree_return_list *retval = 0; + tree_matrix *list; + for (list = this; list; list = list->next) { tree_expression *elem = list->element; - if (elem->is_identifier ()) + + int is_id = elem->is_identifier (); + + int is_idx_expr = elem->is_index_expression (); + + if (is_id || is_idx_expr) { - tree_identifier *id = (tree_identifier *) elem; - if (list == this) - retval = new tree_return_list (id); + tree_index_expression *idx_expr; + if (is_id) + { + tree_identifier *id = (tree_identifier *) elem; + idx_expr = new tree_index_expression (id); + } else - retval = retval->chain (id); - } - else if (elem->is_index_expression ()) -// && ! ((tree_index_expression *) elem) -> arg_list ()) - { - tree_index_expression *idx_expr = (tree_index_expression *) elem; + idx_expr = (tree_index_expression *) elem; + if (list == this) retval = new tree_return_list (idx_expr); else - retval = retval->chain (idx_expr); + retval->append (idx_expr); } else { @@ -238,8 +227,6 @@ } } - if (retval) - retval = retval->reverse (); return retval; } @@ -247,7 +234,7 @@ struct const_matrix_list { - tree::matrix_dir dir; + tree_matrix::dir dir_next; tree_constant elem; int nr; int nc; @@ -330,7 +317,7 @@ int nr = tmp.rows (); int nc = tmp.columns (); - matrix_dir direct = ptr->dir; + dir direct = ptr->dir_next; if (nr == 0 || nc == 0) { @@ -352,10 +339,10 @@ if (found_new_row_in_empties) { found_new_row_in_empties = 0; - list[len].dir = md_down; + list[len].dir_next = md_down; } else - list[len].dir = direct; + list[len].dir_next = direct; list[len].elem = tmp; list[len].nr = nr; @@ -382,7 +369,8 @@ for (i = 0; i < len; i++) { - matrix_dir direct = list[i].dir; + dir direct = list[i].dir_next; + int nr = list[i].nr; int nc = list[i].nc; @@ -472,7 +460,7 @@ } else { - switch (list[i].dir) + switch (list[i].dir_next) { case md_right: put_col += prev_nc; @@ -584,9 +572,8 @@ return tree_constant (); } -/* - * Builtin functions. - */ +// Builtin functions. + tree_builtin::tree_builtin (const char *nm) { nargin_max = -1; @@ -620,23 +607,6 @@ my_name = strsave (nm); } -tree_builtin::~tree_builtin (void) -{ -} - -#if 0 -int -tree_builtin::is_builtin (void) const -{ - return 1; -} -#endif - -int -tree_builtin::is_mapper_function (void) const -{ - return is_mapper; -} tree_constant tree_builtin::eval (int print) @@ -694,12 +664,6 @@ return retval; } -char * -tree_builtin::name (void) const -{ - return my_name; -} - int tree_builtin::max_expected_args (void) { @@ -711,34 +675,7 @@ return ea; } -/* - * Symbols from the symbol table. - */ -tree_identifier::tree_identifier (int l, int c) -{ - sym = 0; - line_num = l; - column_num = c; - maybe_do_ans_assign = 0; -} - -tree_identifier::tree_identifier (symbol_record *s, int l, int c) -{ - sym = s; - line_num = l; - column_num = c; - maybe_do_ans_assign = 0; -} - -tree_identifier::~tree_identifier (void) -{ -} - -int -tree_identifier::is_identifier (void) const -{ - return 1; -} +// Symbols from the symbol table. char * tree_identifier::name (void) const @@ -859,7 +796,7 @@ } void -tree_identifier::bump_value (tree::expression_type etype) +tree_identifier::bump_value (tree_expression::type etype) { if (sym) { @@ -1055,22 +992,21 @@ ::error ("`%s' undefined near line %d column %d", nm, l, c); } -/* - * Try to find a definition for an identifier. Here's how: - * - * * If the identifier is already defined and is a function defined - * in an function file that has been modified since the last time - * we parsed it, parse it again. - * - * * If the identifier is not defined, try to find a builtin - * variable or an already compiled function with the same name. - * - * * If the identifier is still undefined, try looking for an - * function file to parse. - * - * * On systems that support dynamic linking, we prefer .oct files - * over .m files. - */ +// Try to find a definition for an identifier. Here's how: +// +// * If the identifier is already defined and is a function defined +// in an function file that has been modified since the last time +// we parsed it, parse it again. +// +// * If the identifier is not defined, try to find a builtin +// variable or an already compiled function with the same name. +// +// * If the identifier is still undefined, try looking for an +// function file to parse. +// +// * On systems that support dynamic linking, we prefer .oct files +// over .m files. + tree_fvc * tree_identifier::do_lookup (int& script_file_executed) { @@ -1115,12 +1051,6 @@ sym->mark_as_formal_parameter (); } -void -tree_identifier::mark_for_possible_ans_assign (void) -{ - maybe_do_ans_assign = 1; -} - tree_constant tree_identifier::eval (int print) { @@ -1259,51 +1189,16 @@ return retval; } -/* - * User defined functions. - */ -tree_function::tree_function (void) -{ - call_depth = 0; - param_list = 0; - ret_list = 0; - sym_tab = 0; - cmd_list = 0; - file_name = 0; - fcn_name = 0; - t_parsed = 0; - system_fcn_file = 0; - num_named_args = 0; - num_args_passed = 0; - curr_va_arg_number = 0; -} +// User defined functions. -tree_function::tree_function (tree *cl, symbol_table *st) -{ - call_depth = 0; - param_list = 0; - ret_list = 0; - sym_tab = st; - cmd_list = cl; - file_name = 0; - fcn_name = 0; - t_parsed = 0; - system_fcn_file = 0; - num_named_args = 0; - num_args_passed = 0; - curr_va_arg_number = 0; -} - -tree_function::~tree_function (void) -{ -} - +#if 0 tree_function * -tree_function::define (tree *t) +tree_function::define (tree statement_list *t) { cmd_list = t; return this; } +#endif tree_function * tree_function::define_param_list (tree_parameter_list *t) @@ -1336,24 +1231,6 @@ } void -tree_function::stash_fcn_file_time (time_t t) -{ - t_parsed = t; -} - -char * -tree_function::fcn_file_name (void) -{ - return file_name; -} - -time_t -tree_function::time_parsed (void) -{ - return t_parsed; -} - -void tree_function::mark_as_system_fcn_file (void) { if (file_name) @@ -1380,23 +1257,11 @@ } int -tree_function::is_system_fcn_file (void) const -{ - return system_fcn_file; -} - -int tree_function::takes_varargs (void) const { return (param_list && param_list->takes_varargs ()); } -void -tree_function::octave_va_start (void) -{ - curr_va_arg_number = num_named_args; -} - tree_constant tree_function::octave_va_arg (void) { @@ -1418,12 +1283,6 @@ fcn_name = strsave (s); } -char * -tree_function::function_name (void) -{ - return fcn_name; -} - tree_constant tree_function::eval (int print) { @@ -1646,17 +1505,7 @@ return retval; } -/* - * Expressions. - */ -tree_expression::tree_expression (void) -{ - etype = tree::unknown; -} - -tree_expression::~tree_expression (void) -{ -} +// Expressions. tree_constant tree_expression::eval (int print) @@ -1668,35 +1517,11 @@ Octave_object tree_expression::eval (int print, int nargout, const Octave_object& args) { - panic_impossible (); + panic ("invalid evaluation of generic expression"); return Octave_object (); } -/* - * Prefix expressions. - */ -tree_prefix_expression::tree_prefix_expression (int l, int c) -{ - id = 0; - etype = unknown; - line_num = l; - column_num = c; -} - -tree_prefix_expression::tree_prefix_expression (tree_identifier *t, - tree::expression_type et, - int l, int c) -{ - id = t; - etype = et; - line_num = l; - column_num = c; -} - -tree_prefix_expression::~tree_prefix_expression (void) -{ - delete id; -} +// Prefix expressions. tree_constant tree_prefix_expression::eval (int print) @@ -1728,9 +1553,9 @@ char *op; switch (etype) { - case tree::increment: op = "++"; break; - case tree::decrement: op = "--"; break; - default: op = "unknown"; break; + case tree_expression::increment: op = "++"; break; + case tree_expression::decrement: op = "--"; break; + default: op = "unknown"; break; } ::error ("evaluating prefix operator `%s' near line %d, column %d", @@ -1738,37 +1563,7 @@ } } -int -tree_prefix_expression::is_prefix_expression (void) const -{ - return 1; -} - -/* - * Postfix expressions. - */ -tree_postfix_expression::tree_postfix_expression (int l, int c) -{ - id = 0; - etype = unknown; - line_num = l; - column_num = c; -} - -tree_postfix_expression::tree_postfix_expression (tree_identifier *t, - tree::expression_type et, - int l, int c) -{ - id = t; - etype = et; - line_num = l; - column_num = c; -} - -tree_postfix_expression::~tree_postfix_expression (void) -{ - delete id; -} +// Postfix expressions. tree_constant tree_postfix_expression::eval (int print) @@ -1800,9 +1595,9 @@ char *op; switch (etype) { - case tree::increment: op = "++"; break; - case tree::decrement: op = "--"; break; - default: op = "unknown"; break; + case tree_expression::increment: op = "++"; break; + case tree_expression::decrement: op = "--"; break; + default: op = "unknown"; break; } ::error ("evaluating postfix operator `%s' near line %d, column %d", @@ -1810,31 +1605,7 @@ } } -/* - * Unary expressions. - */ -tree_unary_expression::tree_unary_expression (int l, int c) -{ - etype = tree::unknown; - op = 0; - line_num = l; - column_num = c; -} - -tree_unary_expression::tree_unary_expression (tree_expression *a, - tree::expression_type t, - int l, int c) -{ - etype = t; - op = a; - line_num = l; - column_num = c; -} - -tree_unary_expression::~tree_unary_expression (void) -{ - delete op; -} +// Unary expressions. tree_constant tree_unary_expression::eval (int print) @@ -1846,10 +1617,10 @@ switch (etype) { - case tree::not: - case tree::uminus: - case tree::hermitian: - case tree::transpose: + case tree_expression::not: + case tree_expression::uminus: + case tree_expression::hermitian: + case tree_expression::transpose: if (op) { tree_constant u = op->eval (0); @@ -1883,11 +1654,11 @@ char *op; switch (etype) { - case tree::not: op = "!"; break; - case tree::uminus: op = "-"; break; - case tree::hermitian: op = "'"; break; - case tree::transpose: op = ".'"; break; - default: op = "unknown"; break; + case tree_expression::not: op = "!"; break; + case tree_expression::uminus: op = "-"; break; + case tree_expression::hermitian: op = "'"; break; + case tree_expression::transpose: op = ".'"; break; + default: op = "unknown"; break; } ::error ("evaluating unary operator `%s' near line %d, column %d", @@ -1895,36 +1666,8 @@ } } -/* - * Binary expressions. - */ -tree_binary_expression::tree_binary_expression (int l, int c) -{ - etype = tree::unknown; - op1 = 0; - op2 = 0; - line_num = l; - column_num = c; -} - -tree_binary_expression::tree_binary_expression (tree_expression *a, - tree_expression *b, - tree::expression_type t, - int l, int c) -{ - etype = t; - op1 = a; - op2 = b; - line_num = l; - column_num = c; -} - -tree_binary_expression::~tree_binary_expression (void) -{ - delete op1; - delete op2; -} - +// Binary expressions. + tree_constant tree_binary_expression::eval (int print) { @@ -1934,24 +1677,24 @@ tree_constant ans; switch (etype) { - case tree::add: - case tree::subtract: - case tree::multiply: - case tree::el_mul: - case tree::divide: - case tree::el_div: - case tree::leftdiv: - case tree::el_leftdiv: - case tree::power: - case tree::elem_pow: - case tree::cmp_lt: - case tree::cmp_le: - case tree::cmp_eq: - case tree::cmp_ge: - case tree::cmp_gt: - case tree::cmp_ne: - case tree::and: - case tree::or: + case tree_expression::add: + case tree_expression::subtract: + case tree_expression::multiply: + case tree_expression::el_mul: + case tree_expression::divide: + case tree_expression::el_div: + case tree_expression::leftdiv: + case tree_expression::el_leftdiv: + case tree_expression::power: + case tree_expression::elem_pow: + case tree_expression::cmp_lt: + case tree_expression::cmp_le: + case tree_expression::cmp_eq: + case tree_expression::cmp_ge: + case tree_expression::cmp_gt: + case tree_expression::cmp_ne: + case tree_expression::and: + case tree_expression::or: if (op1) { tree_constant a = op1->eval (0); @@ -1975,8 +1718,8 @@ } } break; - case tree::and_and: - case tree::or_or: + case tree_expression::and_and: + case tree_expression::or_or: { int result = 0; if (op1) @@ -1997,7 +1740,7 @@ if (a_true) { - if (etype == tree::or_or) + if (etype == tree_expression::or_or) { result = 1; goto done; @@ -2005,7 +1748,7 @@ } else { - if (etype == tree::and_and) + if (etype == tree_expression::and_and) { result = 0; goto done; @@ -2049,27 +1792,27 @@ char *op; switch (etype) { - case tree::add: op = "+"; break; - case tree::subtract: op = "-"; break; - case tree::multiply: op = "*"; break; - case tree::el_mul: op = ".*"; break; - case tree::divide: op = "/"; break; - case tree::el_div: op = "./"; break; - case tree::leftdiv: op = "\\"; break; - case tree::el_leftdiv: op = ".\\"; break; - case tree::power: op = "^"; break; - case tree::elem_pow: op = ".^"; break; - case tree::cmp_lt: op = "<"; break; - case tree::cmp_le: op = "<="; break; - case tree::cmp_eq: op = "=="; break; - case tree::cmp_ge: op = ">="; break; - case tree::cmp_gt: op = ">"; break; - case tree::cmp_ne: op = "!="; break; - case tree::and_and: op = "&&"; break; - case tree::or_or: op = "||"; break; - case tree::and: op = "&"; break; - case tree::or: op = "|"; break; - default: op = "unknown"; break; + case tree_expression::add: op = "+"; break; + case tree_expression::subtract: op = "-"; break; + case tree_expression::multiply: op = "*"; break; + case tree_expression::el_mul: op = ".*"; break; + case tree_expression::divide: op = "/"; break; + case tree_expression::el_div: op = "./"; break; + case tree_expression::leftdiv: op = "\\"; break; + case tree_expression::el_leftdiv: op = ".\\"; break; + case tree_expression::power: op = "^"; break; + case tree_expression::elem_pow: op = ".^"; break; + case tree_expression::cmp_lt: op = "<"; break; + case tree_expression::cmp_le: op = "<="; break; + case tree_expression::cmp_eq: op = "=="; break; + case tree_expression::cmp_ge: op = ">="; break; + case tree_expression::cmp_gt: op = ">"; break; + case tree_expression::cmp_ne: op = "!="; break; + case tree_expression::and_and: op = "&&"; break; + case tree_expression::or_or: op = "||"; break; + case tree_expression::and: op = "&"; break; + case tree_expression::or: op = "|"; break; + default: op = "unknown"; break; } ::error ("evaluating binary operator `%s' near line %d, column %d", @@ -2077,18 +1820,7 @@ } } -/* - * Assignment expressions. - */ -tree_assignment_expression::tree_assignment_expression (void) -{ - in_parens = 0; - etype = tree::assignment; -} - -tree_assignment_expression::~tree_assignment_expression (void) -{ -} +// Assignment expressions. tree_constant tree_assignment_expression::eval (int print) @@ -2097,59 +1829,22 @@ return tree_constant (); } -int -tree_assignment_expression::is_assignment_expression (void) const -{ - return 1; -} - -/* - * Simple assignment expressions. - */ -tree_simple_assignment_expression::tree_simple_assignment_expression - (int l, int c) -{ - etype = tree::assignment; - lhs = 0; - index = 0; - rhs = 0; - line_num = l; - column_num = c; -} - -tree_simple_assignment_expression::tree_simple_assignment_expression - (tree_identifier *i, tree_expression *r, int l, int c) -{ - etype = tree::assignment; - lhs = i; - index = 0; - rhs = r; - line_num = l; - column_num = c; -} - -tree_simple_assignment_expression::tree_simple_assignment_expression - (tree_index_expression *idx_expr, tree_expression *r, int l, int c) -{ - etype = tree::assignment; - lhs = idx_expr->ident (); - index = idx_expr->arg_list (); - rhs = r; - line_num = l; - column_num = c; -} +// Simple assignment expressions. tree_simple_assignment_expression::~tree_simple_assignment_expression (void) { -// delete lhs; -// delete index; + if (! preserve) + { + delete lhs; + delete index; + } delete rhs; } tree_constant tree_simple_assignment_expression::eval (int print) { - assert (etype == tree::assignment); + assert (etype == tree_expression::assignment); tree_constant ans; tree_constant retval; @@ -2237,28 +1932,7 @@ } } -/* - * Multi-valued assignmnt expressions. - */ -tree_multi_assignment_expression::tree_multi_assignment_expression - (int l, int c) -{ - etype = tree::multi_assignment; - lhs = 0; - rhs = 0; - line_num = l; - column_num = c; -} - -tree_multi_assignment_expression::tree_multi_assignment_expression - (tree_return_list *lst, tree_expression *r, int l, int c) -{ - etype = tree::multi_assignment; - lhs = lst; - rhs = r; - line_num = l; - column_num = c; -} +// Multi-valued assignmnt expressions. tree_multi_assignment_expression::~tree_multi_assignment_expression (void) { @@ -2287,7 +1961,7 @@ tree_multi_assignment_expression::eval (int print, int nargout, const Octave_object& args) { - assert (etype == tree::multi_assignment); + assert (etype == tree_expression::multi_assignment); if (error_state || ! rhs) return Octave_object (); @@ -2304,13 +1978,13 @@ if (results.length () > 0) { - tree_return_list *elem; int i = 0; int pad_after = 0; int last_was_scalar_type = 0; - for (elem = lhs; elem; elem = elem->next_elem ()) + for (Pix p = lhs->first (); p != 0; lhs->next (p)) { - tree_index_expression *lhs_expr = elem->idx_expr (); + tree_index_expression *lhs_expr = (*lhs) (p); + if (i < nargout) { // XXX FIXME? XXX -- this is apparently the way Matlab works, but @@ -2326,7 +2000,7 @@ tmp = new tree_constant (results(i)); tree_simple_assignment_expression tmp_expr - (lhs_expr, tmp, ma_line, ma_column); + (lhs_expr, tmp, 1, ma_line, ma_column); results(i) = tmp_expr.eval (0); // May change @@ -2369,7 +2043,7 @@ else { tree_simple_assignment_expression tmp_expr - (lhs_expr, 0, ma_line, ma_column); + (lhs_expr, 0, 1, ma_line, ma_column); tmp_expr.eval (0); @@ -2402,36 +2076,7 @@ line (), column ()); } -/* - * Colon expressions. - */ -tree_colon_expression::tree_colon_expression (int l, int c) -{ - etype = tree::colon; - op1 = 0; - op2 = 0; - op3 = 0; - line_num = l; - column_num = c; -} - -tree_colon_expression::tree_colon_expression (tree_expression *a, tree_expression *b, - int l, int c) -{ - etype = tree::colon; - op1 = a; // base - op2 = b; // limit - op3 = 0; // increment if not empty. - line_num = l; - column_num = c; -} - -tree_colon_expression::~tree_colon_expression (void) -{ - delete op1; - delete op2; - delete op3; -} +// Colon expressions. tree_colon_expression * tree_colon_expression::chain (tree_expression *t) @@ -2534,35 +2179,7 @@ ::error ("%s near line %d column %d", s, line (), column ()); } -/* - * Index expressions. - */ -tree_index_expression::tree_index_expression (int l, int c) -{ - id = 0; - list = 0; - line_num = l; - column_num = c; -} - -tree_index_expression::tree_index_expression (tree_identifier *i, - tree_argument_list *lst, - int l, int c) -{ - id = i; - list = lst; - line_num = l; - column_num = c; -} - -tree_index_expression::tree_index_expression (tree_identifier *i, - int l, int c) -{ - id = i; - list = 0; - line_num = l; - column_num = c; -} +// Index expressions. tree_index_expression::~tree_index_expression (void) { @@ -2570,31 +2187,6 @@ delete list; } -int -tree_index_expression::is_index_expression (void) const -{ - return 1; -} - -tree_identifier * -tree_index_expression::ident (void) -{ - return id; -} - -tree_argument_list * -tree_index_expression::arg_list (void) -{ - return list; -} - -void -tree_index_expression::mark_for_possible_ans_assign (void) -{ - id->mark_for_possible_ans_assign (); -} - - tree_constant tree_index_expression::eval (int print) { @@ -2693,386 +2285,6 @@ } /* - * Argument lists. - */ -tree_argument_list::tree_argument_list (void) -{ - arg = 0; - next = 0; -} - -tree_argument_list::tree_argument_list (tree *t) -{ - arg = t; - next = 0; -} - -tree_argument_list::~tree_argument_list (void) -{ - delete arg; - delete next; -} - -tree_argument_list * -tree_argument_list::chain (tree *t) -{ - tree_argument_list *tmp = new tree_argument_list (t); - tmp->next = this; - return tmp; -} - -tree_argument_list * -tree_argument_list::reverse (void) -{ - tree_argument_list *list = this; - tree_argument_list *next; - tree_argument_list *prev = 0; - - while (list) - { - next = list->next; - list->next = prev; - prev = list; - list = next; - } - return prev; -} - -int -tree_argument_list::length (void) -{ - tree_argument_list *list = this; - int len = 0; - while (list) - { - len++; - list = list->next; - } - return len; -} - -tree_argument_list * -tree_argument_list::next_elem (void) -{ - return next; -} - -/* - * Convert a linked list of trees to a vector of pointers to trees, - * evaluating them along the way. - */ -Octave_object -tree_argument_list::convert_to_const_vector (void) -{ - int len = length () + 1; - - Octave_object args; - args.resize (len); - -// args[0] may eventually hold something useful, like the function -// name. - tree_argument_list *tmp_list = this; - for (int k = 1; k < len; k++) - { - if (tmp_list) - { - args(k) = tmp_list->eval (0); - if (error_state) - { - ::error ("evaluating argument list element number %d", k); - break; - } - tmp_list = tmp_list->next; - } - else - { - args(k) = tree_constant (); - break; - } - } - return args; -} - -tree_constant -tree_argument_list::eval (int print) -{ - if (error_state || ! arg) - return tree_constant (); - else - return arg->eval (print); -} - -/* - * Parameter lists. - */ -tree_parameter_list::tree_parameter_list (void) -{ - marked_for_varargs = 0; - param = 0; - next = 0; -} - -tree_parameter_list::tree_parameter_list (tree_identifier *t) -{ - marked_for_varargs = 0; - param = t; - next = 0; -} - -tree_parameter_list::~tree_parameter_list (void) -{ - delete param; - delete next; -} - -tree_parameter_list * -tree_parameter_list::chain (tree_identifier *t) -{ - tree_parameter_list *tmp = new tree_parameter_list (t); - tmp->next = this; - return tmp; -} - -tree_parameter_list * -tree_parameter_list::reverse (void) -{ - tree_parameter_list *list = this; - tree_parameter_list *next; - tree_parameter_list *prev = 0; - - while (list) - { - next = list->next; - list->next = prev; - prev = list; - list = next; - } - return prev; -} - -int -tree_parameter_list::length (void) -{ - tree_parameter_list *list = this; - int len = 0; - while (list) - { - len++; - list = list->next; - } - return len; -} - -char * -tree_parameter_list::name (void) const -{ - return param->name (); -} - -void -tree_parameter_list::mark_as_formal_parameters (void) -{ - param->mark_as_formal_parameter (); - if (next) - next->mark_as_formal_parameters (); -} - -void -tree_parameter_list::mark_varargs (void) -{ - marked_for_varargs = 1; -} - -int -tree_parameter_list::takes_varargs (void) const -{ - return marked_for_varargs; -} - -void -tree_parameter_list::mark_varargs_only (void) -{ - marked_for_varargs = -1; -} - -int -tree_parameter_list::varargs_only (void) -{ - return (marked_for_varargs < 0); -} - -tree_identifier * -tree_parameter_list::define (tree_constant *t) -{ - return param->define (t); -} - -void -tree_parameter_list::define_from_arg_vector (const Octave_object& args) -{ - if (args.length () <= 0) - return; - - int nargin = args.length (); - - int expected_nargin = length () + 1; - - tree_parameter_list *ptr = this; - - for (int i = 1; i < expected_nargin; i++) - { - tree_constant *tmp = 0; - - if (i < nargin) - { - if (args(i).is_defined () - && (args(i).const_type () == tree_constant_rep::magic_colon)) - { - ::error ("invalid use of colon in function argument list"); - return; - } - tmp = new tree_constant (args(i)); - } - - ptr->define (tmp); - ptr = ptr->next; - } -} - -Octave_object -tree_parameter_list::convert_to_const_vector (void) -{ - int nout = length (); - - Octave_object retval; - retval.resize (nout); - - int i = 0; - - for (tree_parameter_list *elem = this; elem; elem = elem->next) - { - if (elem->is_defined ()) - retval(i) = elem->eval (0); - i++; - } - - return retval; -} - -int -tree_parameter_list::is_defined (void) -{ - return (param && param->is_defined ()); -} - -tree_parameter_list * -tree_parameter_list::next_elem (void) -{ - return next; -} - -tree_constant -tree_parameter_list::eval (int print) -{ - if (error_state || ! param) - return tree_constant (); - else - return param->eval (print); -} - -/* - * Return lists. - */ -tree_return_list::tree_return_list (void) -{ - retval = 0; - next = 0; -} - -tree_return_list::tree_return_list (tree_identifier *t) -{ - retval = new tree_index_expression (t); - next = 0; -} - -tree_return_list::tree_return_list (tree_index_expression *t) -{ - retval = t; - next = 0; -} - -tree_return_list::~tree_return_list (void) -{ - delete retval; - delete next; -} - -tree_return_list * -tree_return_list::chain (tree_identifier *t) -{ - tree_return_list *tmp = new tree_return_list (t); - tmp->next = this; - return tmp; -} - -tree_return_list * -tree_return_list::chain (tree_index_expression *t) -{ - tree_return_list *tmp = new tree_return_list (t); - tmp->next = this; - return tmp; -} - -tree_return_list * -tree_return_list::reverse (void) -{ - tree_return_list *list = this; - tree_return_list *next; - tree_return_list *prev = 0; - - while (list) - { - next = list->next; - list->next = prev; - prev = list; - list = next; - } - return prev; -} - -int -tree_return_list::length (void) -{ - tree_return_list *list = this; - int len = 0; - while (list) - { - len++; - list = list->next; - } - return len; -} - -tree_index_expression * -tree_return_list::idx_expr (void) -{ - return retval; -} - -tree_return_list * -tree_return_list::next_elem (void) -{ - return next; -} - -tree_constant -tree_return_list::eval (int print) -{ - panic ("invalid evaluation of return list"); - return tree_constant (); -} - -/* ;;; Local Variables: *** ;;; mode: C++ *** ;;; page-delimiter: "^/\\*" ***
--- a/src/pt-exp-base.h Wed Aug 03 20:06:54 1994 +0000 +++ b/src/pt-exp-base.h Wed Aug 03 20:07:26 1994 +0000 @@ -37,6 +37,10 @@ #include "oct-obj.h" class tree_constant; +class tree_statement_list; +class tree_argument_list; +class tree_parameter_list; +class tree_return_list; class symbol_record; class symbol_table; @@ -54,22 +58,56 @@ class tree_multi_assignment_expression; class tree_colon_expression; class tree_index_expression; -class tree_argument_list; -class tree_parameter_list; -class tree_return_list; + +#include "tree-base.h" -/* - * A base class for expressions. - */ +// A base class for expressions. + class tree_expression : public tree { public: - tree_expression (void); + enum type + { + unknown, + assignment, + simple_assignment, + multi_assignment, + add, + subtract, + multiply, + el_mul, + divide, + el_div, + leftdiv, + el_leftdiv, + power, + elem_pow, + cmp_lt, + cmp_le, + cmp_eq, + cmp_ge, + cmp_gt, + cmp_ne, + and_and, + or_or, + and, + or, + not, + unot, + uminus, + hermitian, + transpose, + colon, + index, + increment, + decrement, + }; - ~tree_expression (void); + tree_expression (int l = -1, int c = -1) : tree (l, c) + { etype = unknown; } - tree_constant eval (int print); + ~tree_expression (void) { } virtual int is_identifier (void) const { return 0; } @@ -86,27 +124,46 @@ virtual void mark_for_possible_ans_assign (void) { panic_impossible (); } + virtual tree_constant eval (int print) = 0; + virtual Octave_object eval (int print, int nargout, const Octave_object& args); protected: - expression_type etype; + type etype; }; -/* - * General matrices. This allows us to construct matrices from - * other matrices, variables, and functions. - */ +// General matrices. This allows us to construct matrices from +// other matrices, variables, and functions. + class tree_matrix : public tree_expression { public: - tree_matrix (void); - tree_matrix (tree_expression *e, tree::matrix_dir d); + enum dir + { + md_none, + md_right, + md_down, + }; + + tree_matrix (void) + { + dir_next = tree_matrix::md_none; + element = 0; + next = 0; + } + + tree_matrix (tree_expression *e, tree_matrix::dir d) + { + dir_next = d; + element = e; + next = 0; + } ~tree_matrix (void); - tree_matrix *chain (tree_expression *e, tree::matrix_dir d); + tree_matrix *chain (tree_expression *e, tree_matrix::dir d); tree_matrix *reverse (void); int length (void); @@ -115,232 +172,19 @@ tree_constant eval (int print); private: - tree::matrix_dir dir; // Direction to the next element. + tree_matrix::dir dir_next; // Direction to the next element. tree_expression *element; tree_matrix *next; }; -/* - * Prefix expressions. - */ -class -tree_prefix_expression : public tree_expression -{ - public: - tree_prefix_expression (int l = -1, int c = -1); - tree_prefix_expression (tree_identifier *t, tree::expression_type et, - int l = -1, int c = -1); - - ~tree_prefix_expression (void); - - tree_constant eval (int print); - - void eval_error (void); - - int is_prefix_expression (void) const; - - private: - tree_identifier *id; -}; - -/* - * Postfix expressions. - */ -class -tree_postfix_expression : public tree_expression -{ - public: - tree_postfix_expression (int l = -1, int c = -1); - tree_postfix_expression (tree_identifier *t, tree::expression_type et, - int l = -1, int c = -1); - - ~tree_postfix_expression (void); - - tree_constant eval (int print); - - void eval_error (void); - - private: - tree_identifier *id; -}; - -/* - * Unary expressions. - */ -class -tree_unary_expression : public tree_expression -{ - public: - tree_unary_expression (int l = -1, int c = -1); - tree_unary_expression (tree_expression *a, tree::expression_type t, - int l = -1, int c = -1); - - ~tree_unary_expression (void); - - tree_constant eval (int print); - - void eval_error (void); - - private: - tree_expression *op; -}; - -/* - * Binary expressions. - */ -class -tree_binary_expression : public tree_expression -{ - public: - tree_binary_expression (int l = -1, int c = -1); - tree_binary_expression (tree_expression *a, tree_expression *b, - tree::expression_type t, int l = -1, int c = -1); - - ~tree_binary_expression (void); - - tree_constant eval (int print); - - void eval_error (void); - - private: - tree_expression *op1; - tree_expression *op2; -}; - -/* - * Assignment expressions. - */ -class -tree_assignment_expression : public tree_expression -{ -public: - int in_parens; - - tree_assignment_expression (void); - - ~tree_assignment_expression (void); - - tree_constant eval (int print); - - int is_assignment_expression (void) const; -}; +// A base class for objects that can be evaluated with argument lists. -/* - * Simple assignment expressions. - */ -class -tree_simple_assignment_expression : public tree_assignment_expression -{ - public: - tree_simple_assignment_expression (int l = -1, int c = -1); - tree_simple_assignment_expression (tree_identifier *i, - tree_expression *r, - int l = -1, int c = -1); - tree_simple_assignment_expression (tree_index_expression *idx_expr, - tree_expression *r, int l = -1, int c = -1); - - ~tree_simple_assignment_expression (void); - - tree_constant eval (int print); - - void eval_error (void); - - private: - tree_identifier *lhs; - tree_argument_list *index; - tree_expression *rhs; -}; - -/* - * Multi-valued assignment expressions. - */ -class -tree_multi_assignment_expression : public tree_assignment_expression -{ - public: - tree_multi_assignment_expression (int l = -1, int c = -1); - tree_multi_assignment_expression (tree_return_list *lst, - tree_expression *r, - int l = -1, int c = -1); - - ~tree_multi_assignment_expression (void); - - tree_constant eval (int print); - - Octave_object eval (int print, int nargout, const Octave_object& args); - - void eval_error (void); - - private: - tree_return_list *lhs; - tree_expression *rhs; -}; - -/* - * Colon expressions. - */ -class -tree_colon_expression : public tree_expression -{ - public: - tree_colon_expression (int l = -1, int c = -1); - tree_colon_expression (tree_expression *a, tree_expression *b, - int l = -1, int c = -1); - - ~tree_colon_expression (void); - - tree_colon_expression *chain (tree_expression *t); - - tree_constant eval (int print); - - void eval_error (const char *s); - - private: - tree_expression *op1; - tree_expression *op2; - tree_expression *op3; -}; - -/* - * Index expressions. - */ -class -tree_index_expression : public tree_expression -{ - public: - tree_index_expression (int l = -1, int c = -1); - tree_index_expression (tree_identifier *i, int l = -1, int c = -1); - tree_index_expression (tree_identifier *i, tree_argument_list *lst, - int l = -1, int c = -1); - - ~tree_index_expression (void); - - int is_index_expression (void) const; - - tree_identifier *ident (void); - - tree_argument_list *arg_list (void); - - void mark_for_possible_ans_assign (void); - - tree_constant eval (int print); - - Octave_object eval (int print, int nargout, const Octave_object& args); - - void eval_error (void); - - private: - tree_identifier *id; - tree_argument_list *list; -}; - -/* - * A base class for objects that can be evaluated with argument lists. - */ class tree_fvc : public tree_expression { public: + tree_fvc (int l = -1, int c = -1) : tree_expression (l, c) { } + virtual int is_constant (void) const { return 0; } @@ -352,7 +196,7 @@ virtual char *name (void) const { panic_impossible (); return 0; } - virtual void bump_value (tree::expression_type) + virtual void bump_value (tree_expression::type) { panic_impossible (); } virtual int max_expected_args (void) @@ -372,59 +216,30 @@ { panic_impossible (); return 0; } }; -/* - * Builtin functions. - */ -class -tree_builtin : public tree_fvc -{ -public: - tree_builtin (const char *nm = 0); - - tree_builtin (int i_max, int o_max, Mapper_fcn& m_fcn, - const char *nm = 0); - - tree_builtin (int i_max, int o_max, Octave_builtin_fcn f, - const char *nm = 0); - - ~tree_builtin (void); - -// int is_builtin (void) const; - - int is_mapper_function (void) const; +// Symbols from the symbol table. - tree_constant eval (int print); - - Octave_object eval (int print, int nargout, const Octave_object& args); - - char *name (void) const; - - int max_expected_args (void); - -private: - int nargin_max; - int nargout_max; - int is_mapper; - Mapper_fcn mapper_fcn; - Octave_builtin_fcn fcn; - char *my_name; -}; - -/* - * Symbols from the symbol table. - */ class tree_identifier : public tree_fvc { friend class tree_index_expression; public: - tree_identifier (int l = -1, int c = -1); - tree_identifier (symbol_record *s, int l = -1, int c = -1); + tree_identifier (int l = -1, int c = -1) + { + sym = 0; + maybe_do_ans_assign = 0; + } - ~tree_identifier (void); + tree_identifier (symbol_record *s, int l = -1, int c = -1) + { + sym = s; + maybe_do_ans_assign = 0; + } - int is_identifier (void) const; + ~tree_identifier (void) { } + + int is_identifier (void) const + { return 1; } char *name (void) const; @@ -438,7 +253,7 @@ int is_defined (void); - void bump_value (tree::expression_type); + void bump_value (tree_expression::type); int load_fcn_from_file (int exec_script = 1); @@ -446,9 +261,16 @@ tree_fvc *do_lookup (int& script_file_executed); + void link_to_global (void) + { + if (sym) + ::link_to_global_variable (sym); + } + void mark_as_formal_parameter (void); - void mark_for_possible_ans_assign (void); + void mark_for_possible_ans_assign (void) + { maybe_do_ans_assign = 1; } tree_constant eval (int print); @@ -461,37 +283,459 @@ int maybe_do_ans_assign; }; -/* - * User defined functions. - */ +// Index expressions. + +class +tree_index_expression : public tree_expression +{ + public: + tree_index_expression (int l = -1, int c = -1) : tree_expression (l, c) + { + id = 0; + list = 0; + } + + tree_index_expression (tree_identifier *i, int l = -1, int c = -1) + : tree_expression (l, c) + { + id = i; + list = 0; + } + + tree_index_expression (tree_identifier *i, tree_argument_list *lst, + int l = -1, int c = -1) + : tree_expression (l, c) + { + id = i; + list = lst; + } + + ~tree_index_expression (void); + + int is_index_expression (void) const + { return 1; } + + tree_identifier *ident (void) + { return id; } + + tree_argument_list *arg_list (void) + { return list; } + + void mark_for_possible_ans_assign (void) + { + if (id) + id->mark_for_possible_ans_assign (); + } + + tree_constant eval (int print); + + Octave_object eval (int print, int nargout, const Octave_object& args); + + void eval_error (void); + + private: + tree_identifier *id; + tree_argument_list *list; +}; + +// Prefix expressions. + +class +tree_prefix_expression : public tree_expression +{ + public: + tree_prefix_expression (int l = -1, int c = -1) : tree_expression (l, c) + { + id = 0; + etype = unknown; + } + + tree_prefix_expression (tree_identifier *t, tree_expression::type et, + int l = -1, int c = -1) + : tree_expression (l, c) + { + id = t; + etype = et; + } + + ~tree_prefix_expression (void) + { delete id; } + + tree_constant eval (int print); + + void eval_error (void); + + int is_prefix_expression (void) const + { return 1; } + + private: + tree_identifier *id; +}; + +// Postfix expressions. + +class +tree_postfix_expression : public tree_expression +{ + public: + tree_postfix_expression (int l = -1, int c = -1) : tree_expression (l, c) + { + id = 0; + etype = unknown; + } + + tree_postfix_expression (tree_identifier *t, tree_expression::type et, + int l = -1, int c = -1) + : tree_expression (l, c) + { + id = t; + etype = et; + } + + ~tree_postfix_expression (void) + { delete id; } + + tree_constant eval (int print); + + void eval_error (void); + + private: + tree_identifier *id; +}; + +// Unary expressions. + +class +tree_unary_expression : public tree_expression +{ + public: + tree_unary_expression (int l = -1, int c = -1) : tree_expression (l, c) + { + etype = tree_expression::unknown; + op = 0; + } + + tree_unary_expression (tree_expression *a, tree_expression::type t, + int l = -1, int c = -1) + : tree_expression (l, c) + { + etype = t; + op = a; + } + + ~tree_unary_expression (void) + { delete op; } + + tree_constant eval (int print); + + void eval_error (void); + + private: + tree_expression *op; +}; + +// Binary expressions. + +class +tree_binary_expression : public tree_expression +{ + public: + tree_binary_expression (int l = -1, int c = -1) : tree_expression (l, c) + { + etype = tree_expression::unknown; + op1 = 0; + op2 = 0; + } + + tree_binary_expression (tree_expression *a, tree_expression *b, + tree_expression::type t, int l = -1, int c = -1) + : tree_expression (l, c) + { + etype = t; + op1 = a; + op2 = b; + } + + ~tree_binary_expression (void) + { + delete op1; + delete op2; + } + + tree_constant eval (int print); + + void eval_error (void); + + private: + tree_expression *op1; + tree_expression *op2; +}; + +// Assignment expressions. + +class +tree_assignment_expression : public tree_expression +{ +public: + int in_parens; + + tree_assignment_expression (int l = -1, int c = -1) + : tree_expression (l, c) + { + in_parens = 0; + etype = tree_expression::assignment; + } + + ~tree_assignment_expression (void) { } + + tree_constant eval (int print); + + int is_assignment_expression (void) const + { return 1; } +}; + +// Simple assignment expressions. + +class +tree_simple_assignment_expression : public tree_assignment_expression +{ + public: + tree_simple_assignment_expression (int plhs = 0, int l = -1, int c = -1) + : tree_assignment_expression (l, c) + { + etype = tree_expression::assignment; + lhs = 0; + index = 0; + rhs = 0; + preserve = plhs; + } + + tree_simple_assignment_expression (tree_identifier *i, + tree_expression *r, + int plhs = 0, int l = -1, int c = -1) + : tree_assignment_expression (l, c) + { + etype = tree_expression::assignment; + lhs = i; + index = 0; + rhs = r; + preserve = plhs; + } + + tree_simple_assignment_expression (tree_index_expression *idx_expr, + tree_expression *r, + int plhs = 0, int l = -1, int c = -1) + : tree_assignment_expression (l, c) + { + etype = tree_expression::assignment; + lhs = idx_expr->ident (); + index = idx_expr->arg_list (); + rhs = r; + preserve = plhs; + } + + ~tree_simple_assignment_expression (void); + + tree_identifier *left_hand_side (void) + { return lhs; } + + tree_constant eval (int print); + + void eval_error (void); + + private: + tree_identifier *lhs; + tree_argument_list *index; + tree_expression *rhs; + int preserve; +}; + +// Multi-valued assignment expressions. + +class +tree_multi_assignment_expression : public tree_assignment_expression +{ + public: + tree_multi_assignment_expression (int l = -1, int c = -1) + : tree_assignment_expression (l, c) + { + etype = tree_expression::multi_assignment; + lhs = 0; + rhs = 0; + } + + tree_multi_assignment_expression (tree_return_list *lst, + tree_expression *r, + int l = -1, int c = -1) + : tree_assignment_expression (l, c) + { + etype = tree_expression::multi_assignment; + lhs = lst; + rhs = r; + } + + ~tree_multi_assignment_expression (void); + + tree_constant eval (int print); + + Octave_object eval (int print, int nargout, const Octave_object& args); + + void eval_error (void); + + private: + tree_return_list *lhs; + tree_expression *rhs; +}; + +// Colon expressions. + +class +tree_colon_expression : public tree_expression +{ + public: + tree_colon_expression (int l = -1, int c = -1) : tree_expression (l, c) + { + etype = tree_expression::colon; + op1 = 0; + op2 = 0; + op3 = 0; + } + + tree_colon_expression (tree_expression *a, tree_expression *b, + int l = -1, int c = -1) + : tree_expression (l, c) + { + etype = tree_expression::colon; + op1 = a; + op2 = b; + op3 = 0; + } + + ~tree_colon_expression (void) + { + delete op1; + delete op2; + delete op3; + } + + tree_colon_expression *chain (tree_expression *t); + + tree_constant eval (int print); + + void eval_error (const char *s); + + private: + tree_expression *op1; + tree_expression *op2; + tree_expression *op3; +}; + +// Builtin functions. + +class +tree_builtin : public tree_fvc +{ +public: + tree_builtin (const char *nm = 0); + + tree_builtin (int i_max, int o_max, Mapper_fcn& m_fcn, + const char *nm = 0); + + tree_builtin (int i_max, int o_max, Octave_builtin_fcn f, + const char *nm = 0); + + ~tree_builtin (void) { } + +// int is_builtin (void) const; + + int is_mapper_function (void) const + { return is_mapper; } + + tree_constant eval (int print); + + Octave_object eval (int print, int nargout, const Octave_object& args); + + char *name (void) const + { return my_name; } + + int max_expected_args (void); + +private: + int nargin_max; + int nargout_max; + int is_mapper; + Mapper_fcn mapper_fcn; + Octave_builtin_fcn fcn; + char *my_name; +}; + +// User defined functions. + class tree_function : public tree_fvc { public: - tree_function (void); - tree_function (tree *cl, symbol_table *st); + void init (void) + { + call_depth = 0; + param_list = 0; + ret_list = 0; + sym_tab = 0; + cmd_list = 0; + file_name = 0; + fcn_name = 0; + t_parsed = 0; + system_fcn_file = 0; + num_named_args = 0; + num_args_passed = 0; + curr_va_arg_number = 0; + } - ~tree_function (void); + tree_function (int l = -1, int c = -1) : tree_fvc (l, c) + { init (); } - tree_function *define (tree *t); + tree_function (tree_statement_list *cl, symbol_table *st, + int l = -1, int c = -1) + : tree_fvc (l, c) + { + init (); + sym_tab = st; + cmd_list = cl; + } + + ~tree_function (void) { } + +// tree_function *define (tree_statement_list *t); tree_function *define_param_list (tree_parameter_list *t); tree_function *define_ret_list (tree_parameter_list *t); void stash_fcn_file_name (char * s); - void stash_fcn_file_time (time_t t); + + void stash_fcn_file_time (time_t t) + { t_parsed = t; } - char *fcn_file_name (void); - time_t time_parsed (void); + char *fcn_file_name (void) + { return file_name; } + + time_t time_parsed (void) + { return t_parsed; } void mark_as_system_fcn_file (void); - int is_system_fcn_file (void) const; + + int is_system_fcn_file (void) const + { return system_fcn_file; } int takes_varargs (void) const; - void octave_va_start (void); + + void octave_va_start (void) + { curr_va_arg_number = num_named_args; } + tree_constant octave_va_arg (void); void stash_function_name (char *s); - char *function_name (void); + + char *function_name (void) + { return fcn_name; } tree_constant eval (int print); @@ -506,7 +750,7 @@ tree_parameter_list *param_list; tree_parameter_list *ret_list; symbol_table *sym_tab; - tree *cmd_list; + tree_statement_list *cmd_list; char *file_name; char *fcn_name; time_t t_parsed; @@ -517,109 +761,6 @@ int curr_va_arg_number; }; -/* - * Argument lists. - */ -class -tree_argument_list : public tree -{ - public: - tree_argument_list (void); - tree_argument_list (tree *t); - - ~tree_argument_list (void); - - tree_argument_list *chain (tree *t); - tree_argument_list *reverse (void); - int length (void); - - tree_argument_list *next_elem (void); - - Octave_object convert_to_const_vector (void); - - tree_constant eval (int print); - - private: - tree *arg; - tree_argument_list *next; -}; - -/* - * Parameter lists. Almost like argument lists, except that the - * elements are only supposed to be identifiers, never constants or - * expressions. - */ -class -tree_parameter_list : public tree -{ - public: - tree_parameter_list (void); - tree_parameter_list (tree_identifier *t); - - ~tree_parameter_list (void); - - tree_parameter_list *chain (tree_identifier *t); - tree_parameter_list *reverse (void); - int length (void); - - char *name (void) const; - - void mark_as_formal_parameters (void); - - void mark_varargs (void); - int takes_varargs (void) const; - - void mark_varargs_only (void); - int varargs_only (void); - - tree_identifier *define (tree_constant *t); - - void define_from_arg_vector (const Octave_object& args); - - int is_defined (void); - - Octave_object convert_to_const_vector (void); - - tree_parameter_list *next_elem (void); - - tree_constant eval (int print); - - private: - int marked_for_varargs; - tree_identifier *param; - tree_parameter_list *next; -}; - -/* - * Return lists. Almost like parameter lists, except that the - * elements may also be index expressions. - */ -class -tree_return_list : public tree -{ - public: - tree_return_list (void); - tree_return_list (tree_identifier *t); - tree_return_list (tree_index_expression *t); - - ~tree_return_list (void); - - tree_return_list *chain (tree_identifier *t); - tree_return_list *chain (tree_index_expression *t); - tree_return_list *reverse (void); - int length (void); - - tree_index_expression *idx_expr (void); - - tree_return_list *next_elem (void); - - tree_constant eval (int print); - - private: - tree_index_expression *retval; - tree_return_list *next; -}; - #endif /*
--- a/src/pt-plot.cc Wed Aug 03 20:06:54 1994 +0000 +++ b/src/pt-plot.cc Wed Aug 03 20:07:26 1994 +0000 @@ -80,15 +80,15 @@ ndim = 0; } -tree_plot_command::tree_plot_command (tree_subplot_list *plt, int nd) +tree_plot_command::tree_plot_command (subplot_list *plt, int nd) { range = 0; plot_list = plt; ndim = nd; } -tree_plot_command::tree_plot_command (tree_subplot_list *plt, - tree_plot_limits *rng, int nd) +tree_plot_command::tree_plot_command (subplot_list *plt, + plot_limits *rng, int nd) { range = rng; plot_list = plt; @@ -101,13 +101,11 @@ delete plot_list; } -tree_constant -tree_plot_command::eval (int print) +void +tree_plot_command::eval (void) { - tree_constant retval; - if (error_state) - return retval; + return; ostrstream plot_buf; @@ -121,7 +119,7 @@ else { ::error ("replot: must have something to plot"); - return retval; + return; } } else @@ -157,18 +155,20 @@ } if (error_state) - return retval; + return; - for (tree_subplot_list *ptr = plot_list; ptr; ptr = ptr->next_elem ()) + for (Pix p = plot_list->first () ; p != 0; plot_list->next (p)) { + subplot *ptr = plot_list->operator () (p); + plot_line_count++; - if (ptr != plot_list) + if (p != plot_list->first ()) plot_buf << ",\\\n "; int status = ptr->print (ndim, plot_buf); if (status < 0) - return retval; + return; } plot_buf << "\n" << ends; @@ -192,103 +192,10 @@ send_to_plot_stream (message); delete [] message; } - - return retval; -} - -tree_subplot_list::tree_subplot_list (void) -{ - plot_data = 0; - using = 0; - title = 0; - style = 0; - next = 0; -} - -tree_subplot_list::tree_subplot_list (tree_expression *data) -{ - plot_data = data; - using = 0; - title = 0; - style = 0; - next = 0; -} - -tree_subplot_list::tree_subplot_list (tree_subplot_list *t) -{ - plot_data = t->plot_data; - using = t->using; - title = t->title; - style = t->style; - next = t->next; -} - -tree_subplot_list::tree_subplot_list (tree_subplot_using *u, - tree_expression *t, - tree_subplot_style *s) -{ - plot_data = 0; - using = u; - title = t; - style = s; - next = 0; -} - -tree_subplot_list::~tree_subplot_list (void) -{ - delete plot_data; - delete using; - delete title; - delete style; - delete next; -} - -tree_subplot_list * -tree_subplot_list::set_data (tree_expression *data) -{ - plot_data = data; - return this; -} - -tree_subplot_list * -tree_subplot_list::chain (tree_subplot_list *t) -{ - tree_subplot_list *tmp = new tree_subplot_list (t); - tmp->next = this; - return tmp; -} - -tree_subplot_list * -tree_subplot_list::reverse (void) -{ - tree_subplot_list *list = this; - tree_subplot_list *next; - tree_subplot_list *prev = 0; - - while (list) - { - next = list->next; - list->next = prev; - prev = list; - list = next; - } - return prev; -} - -tree_subplot_list * -tree_subplot_list::next_elem (void) -{ - return next; -} - -tree_constant -tree_subplot_list::eval (int print) -{ - return plot_data->eval (0); } int -tree_subplot_list::print (int ndim, ostrstream& plot_buf) +subplot::print (int ndim, ostrstream& plot_buf) { int nc = 0; if (plot_data) @@ -378,53 +285,46 @@ return 0; } -tree_plot_limits::tree_plot_limits (void) +plot_limits::plot_limits (void) { x_range = 0; y_range = 0; z_range = 0; } -tree_plot_limits::tree_plot_limits (tree_plot_range *xlim) +plot_limits::plot_limits (plot_range *xlim) { x_range = xlim; y_range = 0; z_range = 0; } -tree_plot_limits::tree_plot_limits (tree_plot_range *xlim, - tree_plot_range *ylim) +plot_limits::plot_limits (plot_range *xlim, + plot_range *ylim) { x_range = xlim; y_range = ylim; z_range = 0; } -tree_plot_limits::tree_plot_limits (tree_plot_range *xlim, - tree_plot_range *ylim, - tree_plot_range *zlim) +plot_limits::plot_limits (plot_range *xlim, + plot_range *ylim, + plot_range *zlim) { x_range = xlim; y_range = ylim; z_range = zlim; } -tree_plot_limits::~tree_plot_limits (void) +plot_limits::~plot_limits (void) { delete x_range; delete y_range; delete z_range; } -tree_constant -tree_plot_limits::eval (int print) -{ - tree_constant retval; - return retval; -} - void -tree_plot_limits::print (int ndim, ostrstream& plot_buf) +plot_limits::print (int ndim, ostrstream& plot_buf) { if (ndim == 2 || ndim == 3) { @@ -443,33 +343,26 @@ z_range->print (plot_buf); } -tree_plot_range::tree_plot_range (void) +plot_range::plot_range (void) { lower = 0; upper = 0; } -tree_plot_range::tree_plot_range (tree_expression *l, tree_expression *u) +plot_range::plot_range (tree_expression *l, tree_expression *u) { lower = l; upper = u; } -tree_plot_range::~tree_plot_range (void) +plot_range::~plot_range (void) { delete lower; delete upper; } -tree_constant -tree_plot_range::eval (int print) -{ - tree_constant retval; - return retval; -} - void -tree_plot_range::print (ostrstream& plot_buf) +plot_range::print (ostrstream& plot_buf) { plot_buf << " ["; @@ -508,7 +401,7 @@ plot_buf << "]"; } -tree_subplot_using::tree_subplot_using (void) +subplot_using::subplot_using (void) { qualifier_count = 0; x[0] = 0; @@ -518,7 +411,7 @@ scanf_fmt = 0; } -tree_subplot_using::tree_subplot_using (tree_expression *fmt) +subplot_using::subplot_using (tree_expression *fmt) { qualifier_count = 0; x[0] = 0; @@ -528,20 +421,20 @@ scanf_fmt = fmt; } -tree_subplot_using::~tree_subplot_using (void) +subplot_using::~subplot_using (void) { delete scanf_fmt; } -tree_subplot_using * -tree_subplot_using::set_format (tree_expression *fmt) +subplot_using * +subplot_using::set_format (tree_expression *fmt) { scanf_fmt = fmt; return this; } -tree_subplot_using * -tree_subplot_using::add_qualifier (tree_expression *t) +subplot_using * +subplot_using::add_qualifier (tree_expression *t) { if (qualifier_count < 4) x[qualifier_count] = t; @@ -551,15 +444,8 @@ return this; } -tree_constant -tree_subplot_using::eval (int print) -{ - tree_constant retval; - return retval; -} - int -tree_subplot_using::print (int ndim, int n_max, ostrstream& plot_buf) +subplot_using::print (int ndim, int n_max, ostrstream& plot_buf) { if ((ndim == 2 && qualifier_count > 4) || (ndim == 3 && qualifier_count > 3)) @@ -608,28 +494,28 @@ return 0; } -tree_subplot_style::tree_subplot_style (void) +subplot_style::subplot_style (void) { style = 0; linetype = 0; pointtype = 0; } -tree_subplot_style::tree_subplot_style (char *s) +subplot_style::subplot_style (char *s) { style = strsave (s); linetype = 0; pointtype = 0; } -tree_subplot_style::tree_subplot_style (char *s, tree_expression *lt) +subplot_style::subplot_style (char *s, tree_expression *lt) { style = strsave (s); linetype = lt; pointtype = 0; } -tree_subplot_style::tree_subplot_style (char *s, tree_expression *lt, +subplot_style::subplot_style (char *s, tree_expression *lt, tree_expression *pt) { style = strsave (s); @@ -637,22 +523,15 @@ pointtype = pt; } -tree_subplot_style::~tree_subplot_style (void) +subplot_style::~subplot_style (void) { delete [] style; delete linetype; delete pointtype; } -tree_constant -tree_subplot_style::eval (int print) -{ - tree_constant retval; - return retval; -} - int -tree_subplot_style::print (ostrstream& plot_buf) +subplot_style::print (ostrstream& plot_buf) { if (style) {
--- a/src/pt-plot.h Wed Aug 03 20:06:54 1994 +0000 +++ b/src/pt-plot.h Wed Aug 03 20:07:26 1994 +0000 @@ -29,16 +29,18 @@ #endif class tree_command; -class tree_plot_limits; -class tree_plot_range; -class tree_subplot; -class tree_subplot_using; -class tree_subplot_style; -class tree_subplot_list; class tree_plot_command; +class plot_limits; +class plot_range; +class subplot_using; +class subplot_style; +class subplot; +class subplot_list; class ostream; +#include <SLList.h> + #include "tree.h" class @@ -46,83 +48,47 @@ { public: tree_plot_command (void); - tree_plot_command (tree_subplot_list *plt, int nd); - tree_plot_command (tree_subplot_list *plt, tree_plot_limits *rng, int nd); + tree_plot_command (subplot_list *plt, int nd); + tree_plot_command (subplot_list *plt, plot_limits *rng, int nd); ~tree_plot_command (void); - tree_constant eval (int print); + void eval (void); private: int ndim; - tree_plot_limits *range; - tree_subplot_list *plot_list; + plot_limits *range; + subplot_list *plot_list; }; class -tree_subplot_list : public tree +plot_limits { public: - tree_subplot_list (void); - tree_subplot_list (tree_expression *data); - tree_subplot_list (tree_subplot_list *t); - tree_subplot_list (tree_subplot_using *u, tree_expression *t, - tree_subplot_style *s); - - ~tree_subplot_list (void); - - tree_subplot_list *set_data (tree_expression *data); - - tree_subplot_list *chain (tree_subplot_list *t); - - tree_subplot_list *reverse (void); - - tree_subplot_list *next_elem (void); - - tree_constant eval (int print); - - int print (int ndim, ostrstream& plot_buf); + plot_limits (void); + plot_limits (plot_range *xlim); + plot_limits (plot_range *xlim, plot_range *ylim); + plot_limits (plot_range *xlim, plot_range *ylim, + plot_range *zlim); - private: - tree_expression *plot_data; - tree_subplot_using *using; - tree_expression *title; - tree_subplot_style *style; - tree_subplot_list *next; -}; - -class -tree_plot_limits : public tree -{ - public: - tree_plot_limits (void); - tree_plot_limits (tree_plot_range *xlim); - tree_plot_limits (tree_plot_range *xlim, tree_plot_range *ylim); - tree_plot_limits (tree_plot_range *xlim, tree_plot_range *ylim, - tree_plot_range *zlim); - - ~tree_plot_limits (void); - - tree_constant eval (int print); + ~plot_limits (void); void print (int print, ostrstream& plot_buf); private: - tree_plot_range *x_range; - tree_plot_range *y_range; - tree_plot_range *z_range; + plot_range *x_range; + plot_range *y_range; + plot_range *z_range; }; class -tree_plot_range : public tree +plot_range { public: - tree_plot_range (void); - tree_plot_range (tree_expression *l, tree_expression *u); + plot_range (void); + plot_range (tree_expression *l, tree_expression *u); - ~tree_plot_range (void); - - tree_constant eval (int print); + ~plot_range (void); void print (ostrstream& plot_buf); @@ -132,19 +98,17 @@ }; class -tree_subplot_using : public tree +subplot_using { public: - tree_subplot_using (void); - tree_subplot_using (tree_expression *fmt); - - ~tree_subplot_using (void); + subplot_using (void); + subplot_using (tree_expression *fmt); - tree_subplot_using *set_format (tree_expression *fmt); + ~subplot_using (void); - tree_subplot_using *add_qualifier (tree_expression *t); + subplot_using *set_format (tree_expression *fmt); - tree_constant eval (int print); + subplot_using *add_qualifier (tree_expression *t); int print (int ndim, int n_max, ostrstream& plot_buf); @@ -155,17 +119,15 @@ }; class -tree_subplot_style : public tree +subplot_style { public: - tree_subplot_style (void); - tree_subplot_style (char *s); - tree_subplot_style (char *s, tree_expression *lt); - tree_subplot_style (char *s, tree_expression *lt, tree_expression *pt); + subplot_style (void); + subplot_style (char *s); + subplot_style (char *s, tree_expression *lt); + subplot_style (char *s, tree_expression *lt, tree_expression *pt); - ~tree_subplot_style (void); - - tree_constant eval (int print); + ~subplot_style (void); int print (ostrstream& plot_buf); @@ -175,6 +137,73 @@ tree_expression *pointtype; }; +class +subplot +{ +public: + subplot (void) + { + plot_data = 0; + using = 0; + title = 0; + style = 0; + } + + subplot (tree_expression *data) + { + plot_data = data; + using = 0; + title = 0; + style = 0; + } + + subplot (subplot_using *u, tree_expression *t, + subplot_style *s) + { + plot_data = 0; + using = u; + title = t; + style = s; + } + + ~subplot (void) + { + delete plot_data; + delete using; + delete title; + delete style; + } + + void set_data (tree_expression *data) + { plot_data = data; } + + int print (int ndim, ostrstream& plot_buf); + +private: + tree_expression *plot_data; + subplot_using *using; + tree_expression *title; + subplot_style *style; +}; + +class +subplot_list : public SLList<subplot *> +{ + public: + subplot_list (void) : SLList<subplot *> () { } + subplot_list (subplot *t) : SLList<subplot *> () + { append (t); } + + ~subplot_list (void) + { + while (! empty ()) + { + subplot *t = remove_front (); + delete t; + } + } +}; + extern char *save_in_tmp_file (tree_constant& t, int ndim = 2, int parametric = 0);
--- a/src/tc-rep.cc Wed Aug 03 20:06:54 1994 +0000 +++ b/src/tc-rep.cc Wed Aug 03 20:07:26 1994 +0000 @@ -921,7 +921,7 @@ } tree_constant -do_binary_op (tree_constant& a, tree_constant& b, tree::expression_type t) +do_binary_op (tree_constant& a, tree_constant& b, tree_expression::type t) { tree_constant ans; @@ -1066,7 +1066,7 @@ } tree_constant -do_unary_op (tree_constant& a, tree::expression_type t) +do_unary_op (tree_constant& a, tree_expression::type t) { tree_constant ans; @@ -1113,11 +1113,11 @@ } void -tree_constant_rep::bump_value (tree::expression_type etype) +tree_constant_rep::bump_value (tree_expression::type etype) { switch (etype) { - case tree::increment: + case tree_expression::increment: switch (type_tag) { case scalar_constant: @@ -1145,7 +1145,7 @@ break; } break; - case tree::decrement: + case tree_expression::decrement: switch (type_tag) { case scalar_constant:
--- a/src/tc-rep.h Wed Aug 03 20:06:54 1994 +0000 +++ b/src/tc-rep.h Wed Aug 03 20:07:26 1994 +0000 @@ -240,7 +240,7 @@ void delete_columns (idx_vector& j); void delete_columns (Range& j); - void bump_value (tree::expression_type); + void bump_value (tree_expression::type); void maybe_mutate (void); void print (void); @@ -345,10 +345,10 @@ }; extern tree_constant do_binary_op (tree_constant& a, tree_constant& b, - tree::expression_type t); + tree_expression::type t); extern tree_constant do_unary_op (tree_constant& a, - tree::expression_type t); + tree_expression::type t); #endif
--- a/src/toplev.h Wed Aug 03 20:06:54 1994 +0000 +++ b/src/toplev.h Wed Aug 03 20:07:26 1994 +0000 @@ -26,7 +26,7 @@ #include <stdio.h> -class tree; +class tree_statement_list; class tree_function; // Tell g++ that clean_up_and_exit doesn't return; @@ -78,7 +78,7 @@ extern int quitting_gracefully; // Current command to execute. -extern tree *global_command; +extern tree_statement_list *global_command; // Pointer to function that is currently being evaluated. extern tree_function *curr_function;
--- a/src/utils.cc Wed Aug 03 20:06:54 1994 +0000 +++ b/src/utils.cc Wed Aug 03 20:07:26 1994 +0000 @@ -456,19 +456,19 @@ } char ** -make_argv (const Octave_object& args, const char *warnfor) +make_argv (const Octave_object& args, const char *fcn_name) { char **argv = 0; if (all_strings (args)) { int n = args.length (); argv = new char * [n + 1]; - argv[0] = 0; + argv[0] = strsave (fcn_name); for (int i = 1; i < n; i++) argv[i] = strsave (args(i).string_value ()); } else - error ("%s: expecting all arguments to be strings", warnfor); + error ("%s: expecting all arguments to be strings", fcn_name); return argv; }
--- a/src/utils.h Wed Aug 03 20:06:54 1994 +0000 +++ b/src/utils.h Wed Aug 03 20:07:26 1994 +0000 @@ -55,7 +55,7 @@ extern int NINT (double x); extern double D_NINT (double x); -extern char **make_argv (const Octave_object& args, const char *warnfor); +extern char **make_argv (const Octave_object& args, const char *fcn_name); extern ostrstream& list_in_columns (ostrstream& os, char **list);