dep: Add reshadefx

dep/reshadefx/include/effect_token.hpp

@@ -0,0 +1,252 @@
+/*
+ * Copyright (C) 2014 Patrick Mours
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#pragma once
+
+#include <string>
+#include <vector>
+
+namespace reshadefx
+{
+	/// <summary>
+	/// Structure which keeps track of a code location.
+	/// </summary>
+	struct location
+	{
+		location() : line(1), column(1) {}
+		explicit location(uint32_t line, uint32_t column = 1) : line(line), column(column) {}
+		explicit location(std::string source, uint32_t line, uint32_t column = 1) : source(std::move(source)), line(line), column(column) {}
+
+		std::string source;
+		uint32_t line, column;
+	};
+
+	/// <summary>
+	/// A collection of identifiers for various possible tokens.
+	/// </summary>
+	enum class tokenid
+	{
+		unknown = -1,
+		end_of_file = 0,
+		end_of_line = '\n',
+
+		// operators
+		space = ' ',
+		exclaim = '!',
+		hash = '#',
+		dollar = '$',
+		percent = '%',
+		ampersand = '&',
+		parenthesis_open = '(',
+		parenthesis_close = ')',
+		star = '*',
+		plus = '+',
+		comma = ',',
+		minus = '-',
+		dot = '.',
+		slash = '/',
+		colon = ':',
+		semicolon = ';',
+		less = '<',
+		equal = '=',
+		greater = '>',
+		question = '?',
+		at = '@',
+		bracket_open = '[',
+		backslash = '\\',
+		bracket_close = ']',
+		caret = '^',
+		brace_open = '{',
+		pipe = '|',
+		brace_close = '}',
+		tilde = '~',
+		exclaim_equal = 256 /* != */,
+		percent_equal /* %= */,
+		ampersand_ampersand /* && */,
+		ampersand_equal /* &= */,
+		star_equal /* *= */,
+		plus_plus /* ++*/,
+		plus_equal /* += */,
+		minus_minus /* -- */,
+		minus_equal /* -= */,
+		arrow /* -> */,
+		ellipsis /* ... */,
+		slash_equal /* /= */,
+		colon_colon /* :: */,
+		less_less_equal /* <<= */,
+		less_less /* << */,
+		less_equal /* <= */,
+		equal_equal /* == */,
+		greater_greater_equal /* >>= */,
+		greater_greater /* >> */,
+		greater_equal /* >= */,
+		caret_equal /* ^= */,
+		pipe_equal /* |= */,
+		pipe_pipe /* || */,
+
+		// identifiers
+		reserved,
+		identifier,
+
+		// literals
+		true_literal,
+		false_literal,
+		int_literal,
+		uint_literal,
+		float_literal,
+		double_literal,
+		string_literal,
+
+		// keywords
+		namespace_,
+		struct_,
+		technique,
+		pass,
+		for_,
+		while_,
+		do_,
+		if_,
+		else_,
+		switch_,
+		case_,
+		default_,
+		break_,
+		continue_,
+		return_,
+		discard_,
+		extern_,
+		static_,
+		uniform_,
+		volatile_,
+		precise,
+		groupshared,
+		in,
+		out,
+		inout,
+		const_,
+		linear,
+		noperspective,
+		centroid,
+		nointerpolation,
+
+		void_,
+		bool_,
+		bool2,
+		bool3,
+		bool4,
+		bool2x2,
+		bool2x3,
+		bool2x4,
+		bool3x2,
+		bool3x3,
+		bool3x4,
+		bool4x2,
+		bool4x3,
+		bool4x4,
+		int_,
+		int2,
+		int3,
+		int4,
+		int2x2,
+		int2x3,
+		int2x4,
+		int3x2,
+		int3x3,
+		int3x4,
+		int4x2,
+		int4x3,
+		int4x4,
+		min16int,
+		min16int2,
+		min16int3,
+		min16int4,
+		uint_,
+		uint2,
+		uint3,
+		uint4,
+		uint2x2,
+		uint2x3,
+		uint2x4,
+		uint3x2,
+		uint3x3,
+		uint3x4,
+		uint4x2,
+		uint4x3,
+		uint4x4,
+		min16uint,
+		min16uint2,
+		min16uint3,
+		min16uint4,
+		float_,
+		float2,
+		float3,
+		float4,
+		float2x2,
+		float2x3,
+		float2x4,
+		float3x2,
+		float3x3,
+		float3x4,
+		float4x2,
+		float4x3,
+		float4x4,
+		min16float,
+		min16float2,
+		min16float3,
+		min16float4,
+		vector,
+		matrix,
+		string_,
+		texture1d,
+		texture2d,
+		texture3d,
+		sampler1d,
+		sampler2d,
+		sampler3d,
+		storage1d,
+		storage2d,
+		storage3d,
+
+		// preprocessor directives
+		hash_def,
+		hash_undef,
+		hash_if,
+		hash_ifdef,
+		hash_ifndef,
+		hash_else,
+		hash_elif,
+		hash_endif,
+		hash_error,
+		hash_warning,
+		hash_pragma,
+		hash_include,
+		hash_unknown,
+
+		single_line_comment,
+		multi_line_comment,
+	};
+
+	/// <summary>
+	/// A structure describing a single token in the input string.
+	/// </summary>
+	struct token
+	{
+		tokenid id;
+		reshadefx::location location;
+		size_t offset, length;
+		union
+		{
+			int literal_as_int;
+			unsigned int literal_as_uint;
+			float literal_as_float;
+			double literal_as_double;
+		};
+		std::string literal_as_string;
+
+		inline operator tokenid() const { return id; }
+
+		static std::string id_to_name(tokenid id);
+	};
+}