[Mesa-dev] [PATCH v2 17/28] glsl/parser: Support double floats

[Ilia Mirkin]

From: Dave Airlie <airlied at gmail.com>

Signed-off-by: Dave Airlie <airlied at redhat.com>
Reviewed-by: Matt Turner <mattst88 at gmail.com>
---
 src/glsl/glsl_parser.yy | 33 +++++++++++++++++++++++++++++----
 1 file changed, 29 insertions(+), 4 deletions(-)

diff --git a/src/glsl/glsl_parser.yy b/src/glsl/glsl_parser.yy
index 7fb8c38..596e432 100644
--- a/src/glsl/glsl_parser.yy
+++ b/src/glsl/glsl_parser.yy
@@ -94,6 +94,7 @@ static bool match_layout_qualifier(const char *s1, const char *s2,
 %union {
    int n;
    float real;
+   double dreal;
    const char *identifier;
 
    struct ast_type_qualifier type_qualifier;
@@ -128,14 +129,17 @@ static bool match_layout_qualifier(const char *s1, const char *s2,
    } selection_rest_statement;
 }
 
-%token ATTRIBUTE CONST_TOK BOOL_TOK FLOAT_TOK INT_TOK UINT_TOK
+%token ATTRIBUTE CONST_TOK BOOL_TOK FLOAT_TOK INT_TOK UINT_TOK DOUBLE_TOK
 %token BREAK CONTINUE DO ELSE FOR IF DISCARD RETURN SWITCH CASE DEFAULT
-%token BVEC2 BVEC3 BVEC4 IVEC2 IVEC3 IVEC4 UVEC2 UVEC3 UVEC4 VEC2 VEC3 VEC4
+%token BVEC2 BVEC3 BVEC4 IVEC2 IVEC3 IVEC4 UVEC2 UVEC3 UVEC4 VEC2 VEC3 VEC4 DVEC2 DVEC3 DVEC4
 %token CENTROID IN_TOK OUT_TOK INOUT_TOK UNIFORM VARYING SAMPLE
 %token NOPERSPECTIVE FLAT SMOOTH
 %token MAT2X2 MAT2X3 MAT2X4
 %token MAT3X2 MAT3X3 MAT3X4
 %token MAT4X2 MAT4X3 MAT4X4
+%token DMAT2X2 DMAT2X3 DMAT2X4
+%token DMAT3X2 DMAT3X3 DMAT3X4
+%token DMAT4X2 DMAT4X3 DMAT4X4
 %token SAMPLER1D SAMPLER2D SAMPLER3D SAMPLERCUBE SAMPLER1DSHADOW SAMPLER2DSHADOW
 %token SAMPLERCUBESHADOW SAMPLER1DARRAY SAMPLER2DARRAY SAMPLER1DARRAYSHADOW
 %token SAMPLER2DARRAYSHADOW SAMPLERCUBEARRAY SAMPLERCUBEARRAYSHADOW
@@ -162,6 +166,7 @@ static bool match_layout_qualifier(const char *s1, const char *s2,
 %type <identifier> any_identifier
 %type <interface_block> instance_name_opt
 %token <real> FLOATCONSTANT
+%token <dreal> DOUBLECONSTANT
 %token <n> INTCONSTANT UINTCONSTANT BOOLCONSTANT
 %token <identifier> FIELD_SELECTION
 %token LEFT_OP RIGHT_OP
@@ -182,8 +187,8 @@ static bool match_layout_qualifier(const char *s1, const char *s2,
     */
 %token ASM CLASS UNION ENUM TYPEDEF TEMPLATE THIS PACKED_TOK GOTO
 %token INLINE_TOK NOINLINE PUBLIC_TOK STATIC EXTERN EXTERNAL
-%token LONG_TOK SHORT_TOK DOUBLE_TOK HALF FIXED_TOK UNSIGNED INPUT_TOK
-%token HVEC2 HVEC3 HVEC4 DVEC2 DVEC3 DVEC4 FVEC2 FVEC3 FVEC4
+%token LONG_TOK SHORT_TOK HALF FIXED_TOK UNSIGNED INPUT_TOK
+%token HVEC2 HVEC3 HVEC4 FVEC2 FVEC3 FVEC4
 %token SAMPLER3DRECT
 %token SIZEOF CAST NAMESPACE USING
 %token RESOURCE PATCH
@@ -434,6 +439,13 @@ primary_expression:
       $$->set_location(@1);
       $$->primary_expression.float_constant = $1;
    }
+   | DOUBLECONSTANT
+   {
+      void *ctx = state;
+      $$ = new(ctx) ast_expression(ast_double_constant, NULL, NULL, NULL);
+      $$->set_location(@1);
+      $$->primary_expression.double_constant = $1;
+   }
    | BOOLCONSTANT
    {
       void *ctx = state;
@@ -1864,6 +1876,7 @@ type_specifier_nonarray:
 basic_type_specifier_nonarray:
    VOID_TOK                 { $$ = "void"; }
    | FLOAT_TOK              { $$ = "float"; }
+   | DOUBLE_TOK             { $$ = "double"; }
    | INT_TOK                { $$ = "int"; }
    | UINT_TOK               { $$ = "uint"; }
    | BOOL_TOK               { $$ = "bool"; }
@@ -1879,6 +1892,9 @@ basic_type_specifier_nonarray:
    | UVEC2                  { $$ = "uvec2"; }
    | UVEC3                  { $$ = "uvec3"; }
    | UVEC4                  { $$ = "uvec4"; }
+   | DVEC2                  { $$ = "dvec2"; }
+   | DVEC3                  { $$ = "dvec3"; }
+   | DVEC4                  { $$ = "dvec4"; }
    | MAT2X2                 { $$ = "mat2"; }
    | MAT2X3                 { $$ = "mat2x3"; }
    | MAT2X4                 { $$ = "mat2x4"; }
@@ -1888,6 +1904,15 @@ basic_type_specifier_nonarray:
    | MAT4X2                 { $$ = "mat4x2"; }
    | MAT4X3                 { $$ = "mat4x3"; }
    | MAT4X4                 { $$ = "mat4"; }
+   | DMAT2X2                { $$ = "dmat2"; }
+   | DMAT2X3                { $$ = "dmat2x3"; }
+   | DMAT2X4                { $$ = "dmat2x4"; }
+   | DMAT3X2                { $$ = "dmat3x2"; }
+   | DMAT3X3                { $$ = "dmat3"; }
+   | DMAT3X4                { $$ = "dmat3x4"; }
+   | DMAT4X2                { $$ = "dmat4x2"; }
+   | DMAT4X3                { $$ = "dmat4x3"; }
+   | DMAT4X4                { $$ = "dmat4"; }
    | SAMPLER1D              { $$ = "sampler1D"; }
    | SAMPLER2D              { $$ = "sampler2D"; }
    | SAMPLER2DRECT          { $$ = "sampler2DRect"; }
-- 
2.0.5