glsl: Generate ir_expression_operation_strings.h from Python

'diff -ud' is clean.

v2: Massive rebase.

v3: With much help from José Fonseca, fix the SCons build.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Acked-by: Dylan Baker <dylan@pnwbakers.com>

6 files changed, 44 insertions, 153 deletions

diff --git a/src/compiler/Makefile.glsl.am b/src/compiler/Makefile.glsl.am
index 0dba618..125580d 100644
--- a/src/compiler/Makefile.glsl.am
+++ b/src/compiler/Makefile.glsl.am
@@ -199,7 +199,11 @@ glsl/glcpp/glcpp-lex.c: glsl/glcpp/glcpp-lex.l
 
 glsl/ir_expression_operation.h: glsl/ir_expression_operation.py
 	$(MKDIR_GEN)
-	$(PYTHON_GEN) $(srcdir)/glsl/ir_expression_operation.py > $@ || ($(RM) $@; false)
+	$(PYTHON_GEN) $(srcdir)/glsl/ir_expression_operation.py enum > $@ || ($(RM) $@; false)
+
+glsl/ir_expression_operation_strings.h: glsl/ir_expression_operation.py
+	$(MKDIR_GEN)
+	$(PYTHON_GEN) $(srcdir)/glsl/ir_expression_operation.py strings > $@ || ($(RM) $@; false)
 
 # Only the parsers (specifically the header files generated at the same time)
 # need to be in BUILT_SOURCES. Though if we list the parser headers YACC is
@@ -211,6 +215,7 @@ BUILT_SOURCES +=					\
 	glsl/glsl_parser.cpp				\
 	glsl/glsl_lexer.cpp				\
 	glsl/ir_expression_operation.h			\
+	glsl/ir_expression_operation_strings.h		\
 	glsl/glcpp/glcpp-parse.c			\
 	glsl/glcpp/glcpp-lex.c
 CLEANFILES +=						\
@@ -219,6 +224,7 @@ CLEANFILES +=						\
 	glsl/glsl_parser.cpp				\
 	glsl/glsl_lexer.cpp				\
 	glsl/ir_expression_operation.h			\
+	glsl/ir_expression_operation_strings.h		\
 	glsl/glcpp/glcpp-parse.c			\
 	glsl/glcpp/glcpp-lex.c
 
diff --git a/src/compiler/Makefile.sources b/src/compiler/Makefile.sources
index 468fc7f..70f270c 100644
--- a/src/compiler/Makefile.sources
+++ b/src/compiler/Makefile.sources
@@ -39,7 +39,6 @@ LIBGLSL_FILES = \
 	glsl/ir_equals.cpp \
 	glsl/ir_expression_flattening.cpp \
 	glsl/ir_expression_flattening.h \
-	glsl/ir_expression_operation_strings.h \
 	glsl/ir_function_can_inline.cpp \
 	glsl/ir_function_detect_recursion.cpp \
 	glsl/ir_function_inlining.h \
@@ -148,6 +147,7 @@ GLSL_COMPILER_CXX_FILES = \
 # libglsl generated sources
 LIBGLSL_GENERATED_FILES = \
 	glsl/ir_expression_operation.h \
+	glsl/ir_expression_operation_strings.h \
 	glsl/glsl_lexer.cpp \
 	glsl/glsl_parser.cpp \
 	glsl/glsl_parser.h
diff --git a/src/compiler/SConscript.glsl b/src/compiler/SConscript.glsl
index 3d28d99..b1b4169 100644
--- a/src/compiler/SConscript.glsl
+++ b/src/compiler/SConscript.glsl
@@ -122,7 +122,14 @@ env.CodeGenerate(
     target = 'glsl/ir_expression_operation.h',
     script = 'glsl/ir_expression_operation.py',
     source = [],
-    command = python_cmd + ' $SCRIPT > $TARGET'
+    command = python_cmd + ' $SCRIPT enum > $TARGET'
+)
+
+env.CodeGenerate(
+    target = 'glsl/ir_expression_operation_strings.h',
+    script = 'glsl/ir_expression_operation.py',
+    source = [],
+    command = python_cmd + ' $SCRIPT strings > $TARGET'
 )
 
 glsl_compiler = env.Program(
diff --git a/src/compiler/glsl/.gitignore b/src/compiler/glsl/.gitignore
index 30f4bca..5c890ae 100644
--- a/src/compiler/glsl/.gitignore
+++ b/src/compiler/glsl/.gitignore
@@ -4,6 +4,7 @@ glsl_parser.h
 glsl_parser.output
 glsl_test
 ir_expression_operation.h
+ir_expression_operation_strings.h
 subtest-cr/
 subtest-lf/
 subtest-cr-lf/
diff --git a/src/compiler/glsl/ir_expression_operation.py b/src/compiler/glsl/ir_expression_operation.py
index 743ca91..8b55c28 100644
--- a/src/compiler/glsl/ir_expression_operation.py
+++ b/src/compiler/glsl/ir_expression_operation.py
@@ -22,6 +22,7 @@
 # IN THE SOFTWARE.
 
 import mako.template
+import sys
 
 ir_expression_operation = [
    # Name        operands  string  comment
@@ -318,7 +319,7 @@ def name_from_item(item):
    return "ir_{}op_{}".format(("un", "bin", "tri", "quad")[item[1]-1], item[0])
 
 if __name__ == "__main__":
-   enum_template = mako.template.Template("""/*
+   copyright = """/*
  * Copyright (C) 2010 Intel Corporation
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -340,7 +341,8 @@ if __name__ == "__main__":
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  */
-
+"""
+   enum_template = mako.template.Template(copyright + """
 /* Update ir_expression::get_num_operands() and operator_strs when
  * updating this list.
  */
@@ -362,15 +364,28 @@ ${item}
    ir_last_opcode = ir_quadop_${lasts[3][0]}
 };""")
 
-   lasts = [None, None, None, None]
-   for item in reversed(ir_expression_operation):
-      if isinstance(item, str):
-         continue
+   strings_template = mako.template.Template(copyright + """
+static const char *const operator_strs[] = {
+% for item in values:
+%  if not isinstance(item, str):
+   "${item[2] if item[2] is not None else item[0]}",
+%  endif
+% endfor
+};""")
+
+   if sys.argv[1] == "enum":
+      lasts = [None, None, None, None]
+      for item in reversed(ir_expression_operation):
+         if isinstance(item, str):
+            continue
 
-      i = item[1] - 1
-      if lasts[i] is None:
-         lasts[i] = (item[0], i)
+         i = item[1] - 1
+         if lasts[i] is None:
+            lasts[i] = (item[0], i)
 
-   print(enum_template.render(values=ir_expression_operation,
-                              lasts=lasts,
-                              name_from_item=name_from_item))
+      print(enum_template.render(values=ir_expression_operation,
+                                 lasts=lasts,
+                                 name_from_item=name_from_item))
+   elif sys.argv[1] == "strings":
+      print(strings_template.render(values=ir_expression_operation,
+                                    name_from_item=name_from_item))
diff --git a/src/compiler/glsl/ir_expression_operation_strings.h b/src/compiler/glsl/ir_expression_operation_strings.h
deleted file mode 100644
index 3fbbae9..0000000
--- a/src/compiler/glsl/ir_expression_operation_strings.h
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright (C) 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-static const char *const operator_strs[] = {
-   "~",
-   "!",
-   "neg",
-   "abs",
-   "sign",
-   "rcp",
-   "rsq",
-   "sqrt",
-   "exp",
-   "log",
-   "exp2",
-   "log2",
-   "f2i",
-   "f2u",
-   "i2f",
-   "f2b",
-   "b2f",
-   "i2b",
-   "b2i",
-   "u2f",
-   "i2u",
-   "u2i",
-   "d2f",
-   "f2d",
-   "d2i",
-   "i2d",
-   "d2u",
-   "u2d",
-   "d2b",
-   "bitcast_i2f",
-   "bitcast_f2i",
-   "bitcast_u2f",
-   "bitcast_f2u",
-   "trunc",
-   "ceil",
-   "floor",
-   "fract",
-   "round_even",
-   "sin",
-   "cos",
-   "dFdx",
-   "dFdxCoarse",
-   "dFdxFine",
-   "dFdy",
-   "dFdyCoarse",
-   "dFdyFine",
-   "packSnorm2x16",
-   "packSnorm4x8",
-   "packUnorm2x16",
-   "packUnorm4x8",
-   "packHalf2x16",
-   "unpackSnorm2x16",
-   "unpackSnorm4x8",
-   "unpackUnorm2x16",
-   "unpackUnorm4x8",
-   "unpackHalf2x16",
-   "bitfield_reverse",
-   "bit_count",
-   "find_msb",
-   "find_lsb",
-   "sat",
-   "packDouble2x32",
-   "unpackDouble2x32",
-   "frexp_sig",
-   "frexp_exp",
-   "noise",
-   "subroutine_to_int",
-   "interpolate_at_centroid",
-   "get_buffer_size",
-   "ssbo_unsized_array_length",
-   "vote_any",
-   "vote_all",
-   "vote_eq",
-   "+",
-   "-",
-   "*",
-   "imul_high",
-   "/",
-   "carry",
-   "borrow",
-   "%",
-   "<",
-   ">",
-   "<=",
-   ">=",
-   "==",
-   "!=",
-   "all_equal",
-   "any_nequal",
-   "<<",
-   ">>",
-   "&",
-   "^",
-   "|",
-   "&&",
-   "^^",
-   "||",
-   "dot",
-   "min",
-   "max",
-   "pow",
-   "ubo_load",
-   "ldexp",
-   "vector_extract",
-   "interpolate_at_offset",
-   "interpolate_at_sample",
-   "fma",
-   "lrp",
-   "csel",
-   "bitfield_extract",
-   "vector_insert",
-   "bitfield_insert",
-   "vector",
-};