[PATCH vkd3d 4/5] vkd3d-shader: Implement concatenation.
Zebediah Figura
zfigura at codeweavers.com
Tue Jan 12 16:14:20 CST 2021
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
libs/vkd3d-shader/preproc.l | 22 ++++++++++++++++++++++
libs/vkd3d-shader/preproc.y | 6 ++++++
tests/hlsl_d3d12.c | 7 ++-----
3 files changed, 30 insertions(+), 5 deletions(-)
diff --git a/libs/vkd3d-shader/preproc.l b/libs/vkd3d-shader/preproc.l
index 9043adee..18a59b70 100644
--- a/libs/vkd3d-shader/preproc.l
+++ b/libs/vkd3d-shader/preproc.l
@@ -83,6 +83,8 @@ IDENTIFIER [A-Za-z_][A-Za-z0-9_]*
<INITIAL>0[0-7]*[ul]{0,2} {return T_INTEGER;}
<INITIAL>[1-9][0-9]*[ul]{0,2} {return T_INTEGER;}
+<INITIAL>## {return T_CONCAT;}
+
<INITIAL>"&&" {return T_TEXT;}
<INITIAL>"||" {return T_TEXT;}
<INITIAL>"++" {return T_TEXT;}
@@ -189,6 +191,18 @@ static struct preproc_macro *preproc_get_top_macro(struct preproc_ctx *ctx)
return ctx->expansion_stack[ctx->expansion_count - 1].macro;
}
+/* Concatenation is not done for object-like macros, but is done for both
+ * function-like macro bodies and their arguments. */
+static bool should_concat(struct preproc_ctx *ctx)
+{
+ struct preproc_macro *macro;
+
+ if (!ctx->expansion_count)
+ return false;
+ macro = ctx->expansion_stack[ctx->expansion_count - 1].macro;
+ return !macro || macro->arg_count;
+}
+
static void preproc_pop_buffer(struct preproc_ctx *ctx)
{
if (ctx->expansion_count)
@@ -375,6 +389,14 @@ int yylex(YYSTYPE *lval, YYLTYPE *lloc, yyscan_t scanner)
switch (func_state->state)
{
case STATE_NONE:
+ if (token == T_CONCAT && should_concat(ctx))
+ {
+ while (ctx->buffer.content_size
+ && strchr(" \t\r\n", ctx->buffer.buffer[ctx->buffer.content_size - 1]))
+ --ctx->buffer.content_size;
+ break;
+ }
+
if (token == T_IDENTIFIER || token == T_IDENTIFIER_PAREN)
{
const struct preproc_text *expansion;
diff --git a/libs/vkd3d-shader/preproc.y b/libs/vkd3d-shader/preproc.y
index 4173af0f..45577f23 100644
--- a/libs/vkd3d-shader/preproc.y
+++ b/libs/vkd3d-shader/preproc.y
@@ -327,6 +327,8 @@ static void free_parse_arg_names(struct parse_arg_names *args)
%token T_INCLUDE "#include"
%token T_UNDEF "#undef"
+%token T_CONCAT "##"
+
%type <integer> expr
%type <string> body_token
%type <const_string> body_token_const
@@ -419,6 +421,10 @@ body_token_const
{
$$ = ",";
}
+ | T_CONCAT
+ {
+ $$ = "##";
+ }
directive
: T_DEFINE T_IDENTIFIER body_text T_NEWLINE
diff --git a/tests/hlsl_d3d12.c b/tests/hlsl_d3d12.c
index 6980b998..e7267986 100644
--- a/tests/hlsl_d3d12.c
+++ b/tests/hlsl_d3d12.c
@@ -349,10 +349,8 @@ static void test_preprocess(void)
for (i = 0; i < ARRAY_SIZE(tests); ++i)
{
- if (i == 10 || i == 11)
- continue;
vkd3d_test_set_context("Source \"%s\"", tests[i].source);
- todo_if (i <= 4 || (i >= 9 && i <= 14))
+ todo_if (i <= 4 || i == 9 || (i >= 12 && i <= 14))
check_preprocess(tests[i].source, NULL, NULL, tests[i].present, tests[i].absent);
}
vkd3d_test_set_context(NULL);
@@ -407,8 +405,7 @@ static void test_preprocess(void)
ok(include_count_file2 == 2, "file2 was included %u times.\n", include_count_file2);
/* Macro invocation spread across multiple files. */
- if (0)
- todo check_preprocess(test_include2_top, NULL, &test_include, "pass", NULL);
+ check_preprocess(test_include2_top, NULL, &test_include, "pass", NULL);
blob = errors = (ID3D10Blob *)0xdeadbeef;
hr = D3DPreprocess(test_include_top, strlen(test_include_top), NULL, NULL, &test_include_fail, &blob, &errors);
--
2.30.0
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