OpenHarmony/third_party_mesa3d
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Printing the AST is optional

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This commit is contained in:
Ian Romanick
2010-06-15 12:47:07 -07:00
parent fc0ef6451c
commit 7babbdbd82
1 changed files with 24 additions and 8 deletions
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32
main.cpp
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@@ -22,6 +22,7 @@
*/
#include <cstdlib>
#include <cstdio>
#include <getopt.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -86,6 +87,13 @@ usage_fail(const char *name)
}
int dump_ast = 0;
const struct option compiler_opts[] = {
{ "dump-ast", 0, &dump_ast, 1 },
{ NULL, 0, NULL, 0 }
};
int
main(int argc, char **argv)
{
@@ -94,14 +102,20 @@ main(int argc, char **argv)
size_t shader_len;
exec_list instructions;
if (argc < 2)
int c;
int idx = 0;
while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1)
/* empty */ ;
if (argc <= optind)
usage_fail(argv[0]);
const unsigned len = strlen(argv[1]);
const unsigned len = strlen(argv[optind]);
if (len < 6)
usage_fail(argv[0]);
const char *const ext = & argv[1][len - 5];
const char *const ext = & argv[optind][len - 5];
enum _mesa_glsl_parser_targets target;
if (strncmp(".vert", ext, 5) == 0)
target = vertex_shader;
@@ -112,7 +126,7 @@ main(int argc, char **argv)
else
usage_fail(argv[0]);
shader = load_text_file(argv[1], & shader_len);
shader = load_text_file(argv[optind], & shader_len);
memset(& state, 0, sizeof(state));
state.target = target;
@@ -128,11 +142,13 @@ main(int argc, char **argv)
_mesa_glsl_parse(& state);
_mesa_glsl_lexer_dtor(& state);
foreach_list_const(n, &state.translation_unit) {
ast_node *ast = exec_node_data(ast_node, n, link);
ast->print();
if (dump_ast) {
foreach_list_const(n, &state.translation_unit) {
ast_node *ast = exec_node_data(ast_node, n, link);
ast->print();
}
printf("\n\n");
}
printf("\n\n");
if (!state.error && !state.translation_unit.is_empty())
_mesa_ast_to_hir(&instructions, &state);