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Diffstat (limited to 'src/glsl/pp/sl_pp_process.c')
-rw-r--r--src/glsl/pp/sl_pp_process.c158
1 files changed, 79 insertions, 79 deletions
diff --git a/src/glsl/pp/sl_pp_process.c b/src/glsl/pp/sl_pp_process.c
index e2adc2a0215..6dcd0ab4015 100644
--- a/src/glsl/pp/sl_pp_process.c
+++ b/src/glsl/pp/sl_pp_process.c
@@ -31,15 +31,6 @@
#include "sl_pp_public.h"
-static void
-skip_whitespace(const struct sl_pp_token_info *input,
- unsigned int *pi)
-{
- while (input[*pi].token == SL_PP_WHITESPACE) {
- (*pi)++;
- }
-}
-
int
sl_pp_process_out(struct sl_pp_process_state *state,
const struct sl_pp_token_info *token)
@@ -68,12 +59,10 @@ sl_pp_process_out(struct sl_pp_process_state *state,
int
sl_pp_process(struct sl_pp_context *context,
- const struct sl_pp_token_info *input,
struct sl_pp_token_info **output)
{
- unsigned int i = 0;
- int found_eof = 0;
struct sl_pp_process_state state;
+ int found_eof = 0;
memset(&state, 0, sizeof(state));
@@ -96,103 +85,113 @@ sl_pp_process(struct sl_pp_context *context,
}
while (!found_eof) {
- skip_whitespace(input, &i);
- if (input[i].token == SL_PP_HASH) {
- i++;
- skip_whitespace(input, &i);
- switch (input[i].token) {
+ struct sl_pp_token_info input;
+
+ if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) {
+ return -1;
+ }
+ if (input.token == SL_PP_HASH) {
+ if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) {
+ return -1;
+ }
+ switch (input.token) {
case SL_PP_IDENTIFIER:
{
int name;
int found_eol = 0;
- unsigned int first;
- unsigned int last;
struct sl_pp_token_info endof;
+ struct sl_pp_token_peek peek;
+ int result;
/* Directive name. */
- name = input[i].data.identifier;
- i++;
- skip_whitespace(input, &i);
+ name = input.data.identifier;
- first = i;
+ if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) {
+ return -1;
+ }
+ sl_pp_token_buffer_unget(&context->tokens, &input);
+
+ if (sl_pp_token_peek_init(&peek, &context->tokens)) {
+ return -1;
+ }
while (!found_eol) {
- switch (input[i].token) {
+ if (sl_pp_token_peek_get(&peek, &input)) {
+ sl_pp_token_peek_destroy(&peek);
+ return -1;
+ }
+ switch (input.token) {
case SL_PP_NEWLINE:
/* Preserve newline just for the sake of line numbering. */
- endof = input[i];
- i++;
+ endof = input;
found_eol = 1;
break;
case SL_PP_EOF:
- endof = input[i];
- i++;
+ endof = input;
found_eof = 1;
found_eol = 1;
break;
-
- default:
- i++;
}
}
- last = i - 1;
-
if (name == context->dict._if) {
- if (sl_pp_process_if(context, input, first, last)) {
- return -1;
+ struct sl_pp_token_buffer buffer;
+
+ result = sl_pp_token_peek_to_buffer(&peek, &buffer);
+ if (result == 0) {
+ result = sl_pp_process_if(context, &buffer);
+ sl_pp_token_buffer_destroy(&buffer);
}
} else if (name == context->dict.ifdef) {
- if (sl_pp_process_ifdef(context, input, first, last)) {
- return -1;
- }
+ result = sl_pp_process_ifdef(context, peek.tokens, 0, peek.size - 1);
} else if (name == context->dict.ifndef) {
- if (sl_pp_process_ifndef(context, input, first, last)) {
- return -1;
- }
+ result = sl_pp_process_ifndef(context, peek.tokens, 0, peek.size - 1);
} else if (name == context->dict.elif) {
- if (sl_pp_process_elif(context, input, first, last)) {
- return -1;
+ struct sl_pp_token_buffer buffer;
+
+ result = sl_pp_token_peek_to_buffer(&peek, &buffer);
+ if (result == 0) {
+ result = sl_pp_process_elif(context, &buffer);
+ sl_pp_token_buffer_destroy(&buffer);
}
} else if (name == context->dict._else) {
- if (sl_pp_process_else(context, input, first, last)) {
- return -1;
- }
+ result = sl_pp_process_else(context, peek.tokens, 0, peek.size - 1);
} else if (name == context->dict.endif) {
- if (sl_pp_process_endif(context, input, first, last)) {
- return -1;
- }
+ result = sl_pp_process_endif(context, peek.tokens, 0, peek.size - 1);
} else if (context->if_value) {
if (name == context->dict.define) {
- if (sl_pp_process_define(context, input, first, last)) {
- return -1;
- }
+ result = sl_pp_process_define(context, peek.tokens, 0, peek.size - 1);
} else if (name == context->dict.error) {
- sl_pp_process_error(context, input, first, last);
- return -1;
+ sl_pp_process_error(context, peek.tokens, 0, peek.size - 1);
+ result = -1;
} else if (name == context->dict.extension) {
- if (sl_pp_process_extension(context, input, first, last, &state)) {
- return -1;
- }
+ result = sl_pp_process_extension(context, peek.tokens, 0, peek.size - 1, &state);
} else if (name == context->dict.line) {
- if (sl_pp_process_line(context, input, first, last, &state)) {
- return -1;
+ struct sl_pp_token_buffer buffer;
+
+ result = sl_pp_token_peek_to_buffer(&peek, &buffer);
+ if (result == 0) {
+ result = sl_pp_process_line(context, &buffer, &state);
+ sl_pp_token_buffer_destroy(&buffer);
}
} else if (name == context->dict.pragma) {
- if (sl_pp_process_pragma(context, input, first, last, &state)) {
- return -1;
- }
+ result = sl_pp_process_pragma(context, peek.tokens, 0, peek.size - 1, &state);
} else if (name == context->dict.undef) {
- if (sl_pp_process_undef(context, input, first, last)) {
- return -1;
- }
+ result = sl_pp_process_undef(context, peek.tokens, 0, peek.size - 1);
} else {
strcpy(context->error_msg, "unrecognised directive name");
- return -1;
+ result = -1;
}
}
+ sl_pp_token_peek_commit(&peek);
+ sl_pp_token_peek_destroy(&peek);
+
+ if (result) {
+ return result;
+ }
+
if (sl_pp_process_out(&state, &endof)) {
strcpy(context->error_msg, "out of memory");
return -1;
@@ -203,21 +202,19 @@ sl_pp_process(struct sl_pp_context *context,
case SL_PP_NEWLINE:
/* Empty directive. */
- if (sl_pp_process_out(&state, &input[i])) {
+ if (sl_pp_process_out(&state, &input)) {
strcpy(context->error_msg, "out of memory");
return -1;
}
context->line++;
- i++;
break;
case SL_PP_EOF:
/* Empty directive. */
- if (sl_pp_process_out(&state, &input[i])) {
+ if (sl_pp_process_out(&state, &input)) {
strcpy(context->error_msg, "out of memory");
return -1;
}
- i++;
found_eof = 1;
break;
@@ -228,36 +225,40 @@ sl_pp_process(struct sl_pp_context *context,
} else {
int found_eol = 0;
+ sl_pp_token_buffer_unget(&context->tokens, &input);
+
while (!found_eol) {
- switch (input[i].token) {
+ if (sl_pp_token_buffer_get(&context->tokens, &input)) {
+ return -1;
+ }
+
+ switch (input.token) {
case SL_PP_WHITESPACE:
/* Drop whitespace all together at this point. */
- i++;
break;
case SL_PP_NEWLINE:
/* Preserve newline just for the sake of line numbering. */
- if (sl_pp_process_out(&state, &input[i])) {
+ if (sl_pp_process_out(&state, &input)) {
strcpy(context->error_msg, "out of memory");
return -1;
}
context->line++;
- i++;
found_eol = 1;
break;
case SL_PP_EOF:
- if (sl_pp_process_out(&state, &input[i])) {
+ if (sl_pp_process_out(&state, &input)) {
strcpy(context->error_msg, "out of memory");
return -1;
}
- i++;
found_eof = 1;
found_eol = 1;
break;
case SL_PP_IDENTIFIER:
- if (sl_pp_macro_expand(context, input, &i, NULL, &state,
+ sl_pp_token_buffer_unget(&context->tokens, &input);
+ if (sl_pp_macro_expand(context, &context->tokens, NULL, &state,
context->if_value ? sl_pp_macro_expand_normal : sl_pp_macro_expand_mute)) {
return -1;
}
@@ -265,12 +266,11 @@ sl_pp_process(struct sl_pp_context *context,
default:
if (context->if_value) {
- if (sl_pp_process_out(&state, &input[i])) {
+ if (sl_pp_process_out(&state, &input)) {
strcpy(context->error_msg, "out of memory");
return -1;
}
}
- i++;
}
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 14:33:14 +0000