From e486fca2d3b430065cbcb27c5d1b545642e11ab5 Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Fri, 31 Dec 2010 02:03:21 -0800 Subject: [PATCH] ir_reader: Relax requirement that function arguments be s_lists. All of these functions used to take s_list pointers so they wouldn't all need SX_AS_LIST conversions and error checking. However, the new pattern matcher conveniently does this for us in one centralized place. So there's no need to insist on s_list. Switching to s_expression saves a bit of code and is somewhat cleaner. --- src/glsl/ir_reader.cpp | 163 ++++++++++++++++++++--------------------- 1 file changed, 78 insertions(+), 85 deletions(-) diff --git a/src/glsl/ir_reader.cpp b/src/glsl/ir_reader.cpp index 98906c4ad73..cfc1ac968b9 100644 --- a/src/glsl/ir_reader.cpp +++ b/src/glsl/ir_reader.cpp @@ -38,7 +38,7 @@ static const glsl_type *read_type(_mesa_glsl_parse_state *, s_expression *); static void scan_for_prototypes(_mesa_glsl_parse_state *, exec_list *, s_expression *); -static ir_function *read_function(_mesa_glsl_parse_state *, s_list *, +static ir_function *read_function(_mesa_glsl_parse_state *, s_expression *, bool skip_body); static void read_function_sig(_mesa_glsl_parse_state *, ir_function *, s_expression *, bool skip_body); @@ -47,27 +47,27 @@ static void read_instructions(_mesa_glsl_parse_state *, exec_list *, s_expression *, ir_loop *); static ir_instruction *read_instruction(_mesa_glsl_parse_state *, s_expression *, ir_loop *); -static ir_variable *read_declaration(_mesa_glsl_parse_state *, s_list *); -static ir_if *read_if(_mesa_glsl_parse_state *, s_list *, ir_loop *); -static ir_loop *read_loop(_mesa_glsl_parse_state *st, s_list *list); -static ir_return *read_return(_mesa_glsl_parse_state *, s_list *); +static ir_variable *read_declaration(_mesa_glsl_parse_state *, s_expression *); +static ir_if *read_if(_mesa_glsl_parse_state *, s_expression *, ir_loop *); +static ir_loop *read_loop(_mesa_glsl_parse_state *st, s_expression *); +static ir_return *read_return(_mesa_glsl_parse_state *, s_expression *); static ir_rvalue *read_rvalue(_mesa_glsl_parse_state *, s_expression *); -static ir_assignment *read_assignment(_mesa_glsl_parse_state *, s_list *); -static ir_expression *read_expression(_mesa_glsl_parse_state *, s_list *); -static ir_call *read_call(_mesa_glsl_parse_state *, s_list *); -static ir_swizzle *read_swizzle(_mesa_glsl_parse_state *, s_list *); -static ir_constant *read_constant(_mesa_glsl_parse_state *, s_list *); -static ir_texture *read_texture(_mesa_glsl_parse_state *, s_list *); +static ir_assignment *read_assignment(_mesa_glsl_parse_state *, s_expression *); +static ir_expression *read_expression(_mesa_glsl_parse_state *, s_expression *); +static ir_call *read_call(_mesa_glsl_parse_state *, s_expression *); +static ir_swizzle *read_swizzle(_mesa_glsl_parse_state *, s_expression *); +static ir_constant *read_constant(_mesa_glsl_parse_state *, s_expression *); +static ir_texture *read_texture(_mesa_glsl_parse_state *, s_expression *); static ir_dereference *read_dereference(_mesa_glsl_parse_state *, s_expression *); static ir_dereference_variable * -read_var_ref(_mesa_glsl_parse_state *, s_list *); +read_var_ref(_mesa_glsl_parse_state *, s_expression *); static ir_dereference_array * -read_array_ref(_mesa_glsl_parse_state *, s_list *); +read_array_ref(_mesa_glsl_parse_state *, s_expression *); static ir_dereference_record * -read_record_ref(_mesa_glsl_parse_state *, s_list *); +read_record_ref(_mesa_glsl_parse_state *, s_expression *); void _mesa_glsl_read_ir(_mesa_glsl_parse_state *state, exec_list *instructions, @@ -177,15 +177,15 @@ scan_for_prototypes(_mesa_glsl_parse_state *st, exec_list *instructions, } static ir_function * -read_function(_mesa_glsl_parse_state *st, s_list *list, bool skip_body) +read_function(_mesa_glsl_parse_state *st, s_expression *expr, bool skip_body) { void *ctx = st; bool added = false; s_symbol *name; s_pattern pat[] = { "function", name }; - if (!PARTIAL_MATCH(list, pat)) { - ir_read_error(st, list, "Expected (function (signature ...) ...)"); + if (!PARTIAL_MATCH(expr, pat)) { + ir_read_error(st, expr, "Expected (function (signature ...) ...)"); return NULL; } @@ -196,7 +196,7 @@ read_function(_mesa_glsl_parse_state *st, s_list *list, bool skip_body) assert(added); } - exec_list_iterator it = list->subexpressions.iterator(); + exec_list_iterator it = ((s_list *) expr)->subexpressions.iterator(); it.next(); // skip "function" tag it.next(); // skip function name for (/* nothing */; it.has_next(); it.next()) { @@ -238,8 +238,7 @@ read_function_sig(_mesa_glsl_parse_state *st, ir_function *f, exec_list_iterator it = paramlist->subexpressions.iterator(); for (it.next() /* skip "parameters" */; it.has_next(); it.next()) { - s_list *decl = SX_AS_LIST(it.get()); - ir_variable *var = read_declaration(st, decl); + ir_variable *var = read_declaration(st, (s_expression *) it.get()); if (var == NULL) return; @@ -364,15 +363,15 @@ read_instruction(_mesa_glsl_parse_state *st, s_expression *expr, } static ir_variable * -read_declaration(_mesa_glsl_parse_state *st, s_list *list) +read_declaration(_mesa_glsl_parse_state *st, s_expression *expr) { s_list *s_quals; s_expression *s_type; s_symbol *s_name; s_pattern pat[] = { "declare", s_quals, s_type, s_name }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (declare () " + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (declare () " ")"); return NULL; } @@ -386,7 +385,7 @@ read_declaration(_mesa_glsl_parse_state *st, s_list *list) foreach_iter(exec_list_iterator, it, s_quals->subexpressions) { s_symbol *qualifier = SX_AS_SYMBOL(it.get()); if (qualifier == NULL) { - ir_read_error(st, list, "qualifier list must contain only symbols"); + ir_read_error(st, expr, "qualifier list must contain only symbols"); return NULL; } @@ -412,7 +411,7 @@ read_declaration(_mesa_glsl_parse_state *st, s_list *list) } else if (strcmp(qualifier->value(), "noperspective") == 0) { var->interpolation = ir_var_noperspective; } else { - ir_read_error(st, list, "unknown qualifier: %s", qualifier->value()); + ir_read_error(st, expr, "unknown qualifier: %s", qualifier->value()); return NULL; } } @@ -425,15 +424,15 @@ read_declaration(_mesa_glsl_parse_state *st, s_list *list) static ir_if * -read_if(_mesa_glsl_parse_state *st, s_list *list, ir_loop *loop_ctx) +read_if(_mesa_glsl_parse_state *st, s_expression *expr, ir_loop *loop_ctx) { s_expression *s_cond; s_expression *s_then; s_expression *s_else; s_pattern pat[] = { "if", s_cond, s_then, s_else }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (if ( ...) " + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (if ( ...) " "( ...))"); return NULL; } @@ -457,13 +456,13 @@ read_if(_mesa_glsl_parse_state *st, s_list *list, ir_loop *loop_ctx) static ir_loop * -read_loop(_mesa_glsl_parse_state *st, s_list *list) +read_loop(_mesa_glsl_parse_state *st, s_expression *expr) { s_expression *s_counter, *s_from, *s_to, *s_inc, *s_body; s_pattern pat[] = { "loop", s_counter, s_from, s_to, s_inc, s_body }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (loop " + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (loop " " )"); return NULL; } @@ -481,17 +480,17 @@ read_loop(_mesa_glsl_parse_state *st, s_list *list) static ir_return * -read_return(_mesa_glsl_parse_state *st, s_list *list) +read_return(_mesa_glsl_parse_state *st, s_expression *expr) { - s_expression *expr; + s_expression *s_retval; - s_pattern pat[] = { "return", expr }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (return )"); + s_pattern pat[] = { "return", s_retval}; + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (return )"); return NULL; } - ir_rvalue *retval = read_rvalue(st, expr); + ir_rvalue *retval = read_rvalue(st, s_retval); if (retval == NULL) { ir_read_error(st, NULL, "when reading return value"); return NULL; @@ -535,14 +534,14 @@ read_rvalue(_mesa_glsl_parse_state *st, s_expression *expr) } static ir_assignment * -read_assignment(_mesa_glsl_parse_state *st, s_list *list) +read_assignment(_mesa_glsl_parse_state *st, s_expression *expr) { s_expression *cond_expr, *lhs_expr, *rhs_expr; s_list *mask_list; s_pattern pat[] = { "assign", cond_expr, mask_list, lhs_expr, rhs_expr }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (assign () " + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (assign () " " )"); return NULL; } @@ -561,7 +560,7 @@ read_assignment(_mesa_glsl_parse_state *st, s_list *list) const char *mask_str = mask_symbol->value(); unsigned mask_length = strlen(mask_str); if (mask_length > 4) { - ir_read_error(st, list, "invalid write mask: %s", mask_str); + ir_read_error(st, expr, "invalid write mask: %s", mask_str); return NULL; } @@ -569,7 +568,7 @@ read_assignment(_mesa_glsl_parse_state *st, s_list *list) for (unsigned i = 0; i < mask_length; i++) { if (mask_str[i] < 'w' || mask_str[i] > 'z') { - ir_read_error(st, list, "write mask contains invalid character: %c", + ir_read_error(st, expr, "write mask contains invalid character: %c", mask_str[i]); return NULL; } @@ -593,7 +592,7 @@ read_assignment(_mesa_glsl_parse_state *st, s_list *list) } if (mask == 0 && (lhs->type->is_vector() || lhs->type->is_scalar())) { - ir_read_error(st, list, "non-zero write mask required."); + ir_read_error(st, expr, "non-zero write mask required."); return NULL; } @@ -601,15 +600,15 @@ read_assignment(_mesa_glsl_parse_state *st, s_list *list) } static ir_call * -read_call(_mesa_glsl_parse_state *st, s_list *list) +read_call(_mesa_glsl_parse_state *st, s_expression *expr) { void *ctx = st; s_symbol *name; s_list *params; s_pattern pat[] = { "call", name, params }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (call ( ...))"); + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (call ( ...))"); return NULL; } @@ -619,7 +618,7 @@ read_call(_mesa_glsl_parse_state *st, s_list *list) s_expression *expr = (s_expression*) it.get(); ir_rvalue *param = read_rvalue(st, expr); if (param == NULL) { - ir_read_error(st, list, "when reading parameter to function call"); + ir_read_error(st, expr, "when reading parameter to function call"); return NULL; } parameters.push_tail(param); @@ -627,14 +626,14 @@ read_call(_mesa_glsl_parse_state *st, s_list *list) ir_function *f = st->symbols->get_function(name->value()); if (f == NULL) { - ir_read_error(st, list, "found call to undefined function %s", + ir_read_error(st, expr, "found call to undefined function %s", name->value()); return NULL; } ir_function_signature *callee = f->matching_signature(¶meters); if (callee == NULL) { - ir_read_error(st, list, "couldn't find matching signature for function " + ir_read_error(st, expr, "couldn't find matching signature for function " "%s", name->value()); return NULL; } @@ -643,7 +642,7 @@ read_call(_mesa_glsl_parse_state *st, s_list *list) } static ir_expression * -read_expression(_mesa_glsl_parse_state *st, s_list *list) +read_expression(_mesa_glsl_parse_state *st, s_expression *expr) { void *ctx = st; s_expression *s_type; @@ -651,8 +650,8 @@ read_expression(_mesa_glsl_parse_state *st, s_list *list) s_expression *s_arg1; s_pattern pat[] = { "expression", s_type, s_op, s_arg1 }; - if (!PARTIAL_MATCH(list, pat)) { - ir_read_error(st, list, "expected (expression " + if (!PARTIAL_MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (expression " " [])"); return NULL; } @@ -665,13 +664,13 @@ read_expression(_mesa_glsl_parse_state *st, s_list *list) /* Read the operator */ ir_expression_operation op = ir_expression::get_operator(s_op->value()); if (op == (ir_expression_operation) -1) { - ir_read_error(st, list, "invalid operator: %s", s_op->value()); + ir_read_error(st, expr, "invalid operator: %s", s_op->value()); return NULL; } unsigned num_operands = ir_expression::get_num_operands(op); if (num_operands == 1 && !s_arg1->next->is_tail_sentinel()) { - ir_read_error(st, list, "expected (expression %s )", + ir_read_error(st, expr, "expected (expression %s )", s_op->value()); return NULL; } @@ -686,7 +685,7 @@ read_expression(_mesa_glsl_parse_state *st, s_list *list) if (num_operands == 2) { if (s_arg2->is_tail_sentinel() || !s_arg2->next->is_tail_sentinel()) { - ir_read_error(st, list, "expected (expression %s " + ir_read_error(st, expr, "expected (expression %s " ")", s_op->value()); return NULL; } @@ -702,19 +701,19 @@ read_expression(_mesa_glsl_parse_state *st, s_list *list) } static ir_swizzle * -read_swizzle(_mesa_glsl_parse_state *st, s_list *list) +read_swizzle(_mesa_glsl_parse_state *st, s_expression *expr) { s_symbol *swiz; s_expression *sub; s_pattern pat[] = { "swiz", swiz, sub }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (swiz )"); + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (swiz )"); return NULL; } if (strlen(swiz->value()) > 4) { - ir_read_error(st, list, "expected a valid swizzle; found %s", + ir_read_error(st, expr, "expected a valid swizzle; found %s", swiz->value()); return NULL; } @@ -726,21 +725,21 @@ read_swizzle(_mesa_glsl_parse_state *st, s_list *list) ir_swizzle *ir = ir_swizzle::create(rvalue, swiz->value(), rvalue->type->vector_elements); if (ir == NULL) - ir_read_error(st, list, "invalid swizzle"); + ir_read_error(st, expr, "invalid swizzle"); return ir; } static ir_constant * -read_constant(_mesa_glsl_parse_state *st, s_list *list) +read_constant(_mesa_glsl_parse_state *st, s_expression *expr) { void *ctx = st; s_expression *type_expr; s_list *values; s_pattern pat[] = { "constant", type_expr, values }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (constant (...))"); + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (constant (...))"); return NULL; } @@ -749,7 +748,7 @@ read_constant(_mesa_glsl_parse_state *st, s_list *list) return NULL; if (values == NULL) { - ir_read_error(st, list, "expected (constant (...))"); + ir_read_error(st, expr, "expected (constant (...))"); return NULL; } @@ -757,13 +756,7 @@ read_constant(_mesa_glsl_parse_state *st, s_list *list) unsigned elements_supplied = 0; exec_list elements; foreach_iter(exec_list_iterator, it, values->subexpressions) { - s_expression *expr = (s_expression *) it.get(); - s_list *elt = SX_AS_LIST(expr); - if (elt == NULL) { - ir_read_error(st, expr, "expected (constant ...) array element"); - return NULL; - } - + s_expression *elt = (s_expression *) it.get(); ir_constant *ir_elt = read_constant(st, elt); if (ir_elt == NULL) return NULL; @@ -851,20 +844,20 @@ read_dereference(_mesa_glsl_parse_state *st, s_expression *expr) } static ir_dereference_variable * -read_var_ref(_mesa_glsl_parse_state *st, s_list *list) +read_var_ref(_mesa_glsl_parse_state *st, s_expression *expr) { void *ctx = st; s_symbol *var_name; s_pattern pat[] = { "var_ref", var_name }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (var_ref )"); + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (var_ref )"); return NULL; } ir_variable *var = st->symbols->get_variable(var_name->value()); if (var == NULL) { - ir_read_error(st, list, "undeclared variable: %s", var_name->value()); + ir_read_error(st, expr, "undeclared variable: %s", var_name->value()); return NULL; } @@ -872,15 +865,15 @@ read_var_ref(_mesa_glsl_parse_state *st, s_list *list) } static ir_dereference_array * -read_array_ref(_mesa_glsl_parse_state *st, s_list *list) +read_array_ref(_mesa_glsl_parse_state *st, s_expression *expr) { void *ctx = st; s_expression *subj_expr; s_expression *idx_expr; s_pattern pat[] = { "array_ref", subj_expr, idx_expr }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (array_ref )"); + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (array_ref )"); return NULL; } @@ -895,15 +888,15 @@ read_array_ref(_mesa_glsl_parse_state *st, s_list *list) } static ir_dereference_record * -read_record_ref(_mesa_glsl_parse_state *st, s_list *list) +read_record_ref(_mesa_glsl_parse_state *st, s_expression *expr) { void *ctx = st; s_expression *subj_expr; s_symbol *field; s_pattern pat[] = { "record_ref", subj_expr, field }; - if (!MATCH(list, pat)) { - ir_read_error(st, list, "expected (record_ref )"); + if (!MATCH(expr, pat)) { + ir_read_error(st, expr, "expected (record_ref )"); return NULL; } @@ -916,7 +909,7 @@ read_record_ref(_mesa_glsl_parse_state *st, s_list *list) } static ir_texture * -read_texture(_mesa_glsl_parse_state *st, s_list *list) +read_texture(_mesa_glsl_parse_state *st, s_expression *expr) { s_symbol *tag = NULL; s_expression *s_sampler = NULL; @@ -935,11 +928,11 @@ read_texture(_mesa_glsl_parse_state *st, s_list *list) s_pattern other_pattern[] = { tag, s_sampler, s_coord, s_offset, s_proj, s_shadow, s_lod }; - if (MATCH(list, tex_pattern)) { + if (MATCH(expr, tex_pattern)) { op = ir_tex; - } else if (MATCH(list, txf_pattern)) { + } else if (MATCH(expr, txf_pattern)) { op = ir_txf; - } else if (MATCH(list, other_pattern)) { + } else if (MATCH(expr, other_pattern)) { op = ir_texture::get_opcode(tag->value()); if (op == -1) return NULL; -- 2.30.2