Add an empty cstdlib.elna source file
This commit is contained in:
@@ -3,24 +3,20 @@
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obtain one at https://mozilla.org/MPL/2.0/. *)
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module;
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from Args import GetArg, Narg;
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from FIO import WriteString, WriteChar, WriteLine, StdErr;
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from Strings import CompareStr, Length;
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from MemUtils import MemZero;
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from Common import ShortString;
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import cstdlib, common;
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type
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CommandLine = record
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input: ShortString;
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output: ShortString;
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input: ^Char;
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output: ^Char;
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lex: Bool;
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parse: Bool
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end;
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proc parse_command_line*() -> ^CommandLine;
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proc parse_command_line*(argc: Int, argv: ^^Char) -> ^CommandLine;
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var
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parameter: ShortString;
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parameter: ^Char;
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i: Word;
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result: ^CommandLine;
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parsed: Bool;
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@@ -29,43 +25,43 @@ begin
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NEW(result);
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result^.lex := false;
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result^.parse := false;
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MemZero(@result^.input, 256);
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memset(@result^.input, 0, 256);
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result^.output[1] := CHAR(0);
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while (i < Narg()) & (result <> nil) do
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parsed := GetArg(parameter, i);
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while i < argc & result <> nil do
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parameter := (argv + i)^;
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parsed := false;
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if CompareStr(parameter, '--lex') = 0 then
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if strcmp(parameter, "--lex\0".ptr) = 0 then
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parsed := true;
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result^.lex := true
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end;
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if CompareStr(parameter, '--parse') = 0 then
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if strcmp(parameter, "--parse\0".ptr) = 0 then
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parsed := true;
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result^.parse := true
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end;
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if CompareStr(parameter, '-o') = 0 then
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if strcmp(parameter, "-o\0".ptr) = 0 then
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i := i + 1u;
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if i = Narg() then
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WriteString(StdErr, 'Fatal error: expecting a file name following -o.');
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if i = argc then
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WriteString(StdErr, "Fatal error: expecting a file name following -o.");
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result := nil
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end;
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if i < Narg() then
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parsed := GetArg(parameter, i);
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if i < argc then
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parameter := (argv + i)^;
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result^.output := parameter
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end;
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parsed := true
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end;
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if (parameter[1] <> '-') & (parsed = false) then
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if (parameter[1] <> '-') & ~parsed then
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parsed := true;
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if Length(result^.input) > 0 then
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WriteString(StdErr, 'Fatal error: only one source file can be compiled at once. First given "');
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if result^.input <> nil then
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WriteString(StdErr, "Fatal error: only one source file can be compiled at once. First given \"");
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WriteString(StdErr, result^.input);
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WriteString(StdErr, '", then "');
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WriteString(StdErr, "\", then \"");
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WriteString(StdErr, parameter);
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WriteString(StdErr, '".');
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WriteString(StdErr, "\".");
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WriteLine(StdErr);
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result := nil
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end;
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@@ -73,8 +69,8 @@ begin
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result^.input := parameter
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end
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end;
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if parsed = false then
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WriteString(StdErr, 'Fatal error: unknown command line options: ');
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if ~parsed then
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WriteString(StdErr, "Fatal error: unknown command line options: ");
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WriteString(StdErr, parameter);
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WriteChar(StdErr, '.');
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@@ -83,10 +79,10 @@ begin
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result := nil
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end;
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i := i + 1
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i := i + 1u
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end;
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if (result <> nil) & (Length(result^.input) = 0) then
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WriteString(StdErr, 'Fatal error: no input files.');
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if result <> nil & result^.input = nil then
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WriteString(StdErr, "Fatal error: no input files.");
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WriteLine(StdErr);
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result := nil
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end;
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@@ -1,74 +0,0 @@
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(* This Source Code Form is subject to the terms of the Mozilla Public License,
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v. 2.0. If a copy of the MPL was not distributed with this file, You can
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obtain one at https://mozilla.org/MPL/2.0/. *)
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program;
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from FIO import Close, IsNoError, File, OpenToRead, OpenToWrite, StdErr, StdOut, WriteLine, WriteString;
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from M2RTS import HALT, ExitOnHalt;
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from Lexer import Lexer, lexer_destroy, lexer_initialize;
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from Transpiler import transpile;
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from CommandLineInterface import CommandLine, parse_command_line;
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from Parser import AstModule, parse;
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from Strings import Length;
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var
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command_line: ^CommandLine;
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proc compile_from_stream();
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var
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lexer: Lexer;
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source_input: File;
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source_output: File;
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ast_module: ^AstModule;
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begin
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source_input := OpenToRead(command_line^.input);
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if IsNoError(source_input) = false then
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WriteString(StdErr, 'Fatal error: failed to read the input file "');
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WriteString(StdErr, command_line^.input);
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WriteString(StdErr, '".');
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WriteLine(StdErr);
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ExitOnHalt(2)
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end;
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source_output := nil;
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if Length(command_line^.output) > 0 then
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source_output := OpenToWrite(command_line^.output);
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if IsNoError(source_output) = false then
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WriteString(StdErr, 'Fatal error: failed to create the output file "');
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WriteString(StdErr, command_line^.output);
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WriteString(StdErr, '".');
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WriteLine(StdErr);
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ExitOnHalt(2)
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end
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end;
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if IsNoError(source_input) then
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lexer_initialize(@lexer, source_input);
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ast_module := parse(@lexer);
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transpile(ast_module, StdOut, source_output, command_line^.input);
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lexer_destroy(@lexer);
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Close(source_output);
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Close(source_input)
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end
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end;
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begin
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ExitOnHalt(0);
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command_line := parse_command_line();
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if command_line <> nil then
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compile_from_stream()
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end;
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if command_line = nil then
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ExitOnHalt(1)
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end;
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HALT()
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end.
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@@ -3,7 +3,7 @@
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obtain one at https://mozilla.org/MPL/2.0/. *)
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module;
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import Common, cstdlib;
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import cstdio, cstring, common;
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const
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CHUNK_SIZE := 85536;
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@@ -63,7 +63,7 @@ type
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booleanKind: Bool;
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identifierKind: Identifier;
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integerKind: Int;
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stringKind: ShortString
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stringKind: String
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end;
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start_location: TextLocation;
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end_location: TextLocation
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@@ -293,7 +293,7 @@ begin
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i := 129u;
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while i <= 256u do
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classification[i] := TransitionClass.other;
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i := i + 1
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i := i + 1u
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end
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end;
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@@ -392,7 +392,7 @@ proc transition_action_skip(lexer: ^Lexer, token: ^LexerToken);
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begin
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increment(@lexer^.start);
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if ORD(lexer^.start.iterator^) = 10 then
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if lexer^.start.iterator^ = '\n' then
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lexer^.start.location.line := lexer^.start.location.line + 1u;
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lexer^.start.location.column := 1u
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end;
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@@ -402,24 +402,24 @@ end;
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(* Delimited string action. *)
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proc transition_action_delimited(lexer: ^Lexer, token: ^LexerToken);
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var
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text_length: Int;
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text_length: Word;
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begin
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if lexer^.start.iterator^ = '(' then
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token^.kind := LexerKind.comment
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end;
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if lexer^.start.iterator^ = '"' then
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text_length := lexer^.current.iterator - lexer^.start.iterator + 1;
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text_length := cast(lexer^.current.iterator - lexer^.start.iterator + 1: Word);
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MemZero(@token^.stringKind, #size(ShortString));
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MemCopy(lexer^.start.iterator, text_length, @token^.stringKind);
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token^.stringKind := String(malloc(text_length), text_length);
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memcpy(@token^.stringKind.ptr, lexer^.start.iterator, text_length);
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token^.kind := LexerKind.character
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end;
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if lexer^.start.iterator^ = "'" then
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text_length := lexer^.current.iterator - lexer^.start.iterator + 1;
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text_length := cast(lexer^.current.iterator - lexer^.start.iterator + 1: Word);
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MemZero(@token^.stringKind, #size(ShortString));
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MemCopy(lexer^.start.iterator, text_length, @token^.stringKind);
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token^.stringKind := String(malloc(text_length), text_length);
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memcpy(@token^.stringKind.ptr, lexer^.start.iterator, text_length);
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token^.kind := LexerKind.string
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end;
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@@ -432,7 +432,7 @@ begin
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token^.kind := LexerKind.identifier;
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token^.identifierKind[1] := cast(lexer^.current.iterator - lexer^.start.iterator: Char);
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MemCopy(lexer^.start.iterator, ORD(token^.identifierKind[1]), @token^.identifierKind[2]);
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memcpy(@token^.identifierKind[2], lexer^.start.iterator, ORD(token^.identifierKind[1]));
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if compare_keyword("program", lexer^.start, lexer^.current.iterator) then
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token^.kind := LexerKind._program
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@@ -590,43 +590,47 @@ begin
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token^.kind := LexerKind.integer;
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integer_length := lexer^.current.iterator - lexer^.start.iterator;
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MemZero(@token^.identifierKind, #size(Identifier));
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MemCopy(lexer^.start.iterator, integer_length, @token^.identifierKind[1]);
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memset(@token^.identifierKind, 0, #size(Identifier));
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memcpy(@token^.identifierKind[1], lexer^.start.iterator, integer_length);
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buffer := InitStringCharStar(@token^.identifierKind[1]);
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token^.integerKind := StringToInteger(buffer, 10, found);
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buffer := KillString(buffer)
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end;
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proc set_default_transition(current_state: TransitionState, default_action: TransitionAction, next_state: TransitionState);
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proc set_default_transition(current_state: TransitionState, default_action: TransitionAction, next_state: TransitionState) -> Int;
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var
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default_transition: Transition;
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state_index: Int;
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begin
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default_transition.action := default_action;
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default_transition.next_state := next_state;
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state_index := cast(current_state: Int) + 1;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.invalid) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.digit) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.alpha) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.space) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.colon) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.equals) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.left_paren) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.right_paren) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.asterisk) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.underscore) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.single) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.hex) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.zero) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.x) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.eof) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.dot) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.minus) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.single_quote) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.double_quote) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.greater) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.less) + 1] := default_transition;
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transitions[ORD(current_state) + 1][ORD(TransitionClass.other) + 1] := default_transition
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transitions[state_index][cast(TransitionClass.invalid: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.digit: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.alpha: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.space: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.colon: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.equals: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.left_paren: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.right_paren: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.asterisk: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.underscore: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.single: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.hex: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.zero: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.x: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.eof: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.dot: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.minus: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.single_quote: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.double_quote: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.greater: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.less: Int) + 1] := default_transition;
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transitions[state_index][cast(TransitionClass.other: Int) + 1] := default_transition;
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return state_index
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end;
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(*
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@@ -646,241 +650,245 @@ end;
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* handles each action.
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*)
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proc initialize_transitions();
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var
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state_index: Int;
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begin
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(* Start state. *)
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.invalid) + 1].action := nil;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.invalid) + 1].next_state := TransitionState.finish;
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state_index := cast(TransitionState.start: Int) + 1;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.digit) + 1].action := transition_action_accumulate;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.digit) + 1].next_state := TransitionState.decimal;
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transitions[state_index][cast(TransitionClass.invalid: Int) + 1].action := nil;
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transitions[state_index][cast(TransitionClass.invalid: Int) + 1].next_state := TransitionState.finish;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.alpha) + 1].action := transition_action_accumulate;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.alpha) + 1].next_state := TransitionState.identifier;
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transitions[state_index][cast(TransitionClass.digit: Int) + 1].action := transition_action_accumulate;
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transitions[state_index][cast(TransitionClass.digit: Int) + 1].next_state := TransitionState.decimal;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.space) + 1].action := transition_action_skip;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.space) + 1].next_state := TransitionState.start;
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transitions[state_index][cast(TransitionClass.alpha: Int) + 1].action := transition_action_accumulate;
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transitions[state_index][cast(TransitionClass.alpha: Int) + 1].next_state := TransitionState.identifier;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.colon) + 1].action := transition_action_accumulate;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.colon) + 1].next_state := TransitionState.colon;
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transitions[state_index][cast(TransitionClass.space: Int) + 1].action := transition_action_skip;
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transitions[state_index][cast(TransitionClass.space: Int) + 1].next_state := TransitionState.start;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.equals) + 1].action := transition_action_single;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.equals) + 1].next_state := TransitionState.finish;
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transitions[state_index][cast(TransitionClass.colon: Int) + 1].action := transition_action_accumulate;
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transitions[state_index][cast(TransitionClass.colon: Int) + 1].next_state := TransitionState.colon;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.left_paren) + 1].action := transition_action_accumulate;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.left_paren) + 1].next_state := TransitionState.left_paren;
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transitions[state_index][cast(TransitionClass.equals: Int) + 1].action := transition_action_single;
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transitions[state_index][cast(TransitionClass.equals: Int) + 1].next_state := TransitionState.finish;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.right_paren) + 1].action := transition_action_single;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.right_paren) + 1].next_state := TransitionState.finish;
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transitions[state_index][cast(TransitionClass.left_paren: Int) + 1].action := transition_action_accumulate;
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transitions[state_index][cast(TransitionClass.left_paren: Int) + 1].next_state := TransitionState.left_paren;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.asterisk) + 1].action := transition_action_single;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.asterisk) + 1].next_state := TransitionState.finish;
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transitions[state_index][cast(TransitionClass.right_paren: Int) + 1].action := transition_action_single;
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transitions[state_index][cast(TransitionClass.right_paren: Int) + 1].next_state := TransitionState.finish;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.underscore) + 1].action := transition_action_accumulate;
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transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.underscore) + 1].next_state := TransitionState.identifier;
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transitions[state_index][cast(TransitionClass.asterisk: Int) + 1].action := transition_action_single;
|
||||
transitions[state_index][cast(TransitionClass.asterisk: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.single) + 1].action := transition_action_single;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.single) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.underscore: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.underscore: Int) + 1].next_state := TransitionState.identifier;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.hex) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.hex) + 1].next_state := TransitionState.identifier;
|
||||
transitions[state_index][cast(TransitionClass.single: Int) + 1].action := transition_action_single;
|
||||
transitions[state_index][cast(TransitionClass.single: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.zero) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.zero) + 1].next_state := TransitionState.leading_zero;
|
||||
transitions[state_index][cast(TransitionClass.hex: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.hex: Int) + 1].next_state := TransitionState.identifier;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.x) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.x) + 1].next_state := TransitionState.identifier;
|
||||
transitions[state_index][cast(TransitionClass.zero: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.zero: Int) + 1].next_state := TransitionState.leading_zero;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.eof) + 1].action := transition_action_eof;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.eof) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.x: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.x: Int) + 1].next_state := TransitionState.identifier;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.dot) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.dot) + 1].next_state := TransitionState.dot;
|
||||
transitions[state_index][cast(TransitionClass.eof: Int) + 1].action := transition_action_eof;
|
||||
transitions[state_index][cast(TransitionClass.eof: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.minus) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.minus) + 1].next_state := TransitionState.minus;
|
||||
transitions[state_index][cast(TransitionClass.dot: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.dot: Int) + 1].next_state := TransitionState.dot;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.single_quote) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.single_quote) + 1].next_state := TransitionState.character;
|
||||
transitions[state_index][cast(TransitionClass.minus: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.minus: Int) + 1].next_state := TransitionState.minus;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.double_quote) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.double_quote) + 1].next_state := TransitionState.string;
|
||||
transitions[state_index][cast(TransitionClass.single_quote: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.single_quote: Int) + 1].next_state := TransitionState.character;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.greater) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.greater) + 1].next_state := TransitionState.greater;
|
||||
transitions[state_index][cast(TransitionClass.double_quote: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.double_quote: Int) + 1].next_state := TransitionState.string;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.less) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.less) + 1].next_state := TransitionState.less;
|
||||
transitions[state_index][cast(TransitionClass.greater: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.greater: Int) + 1].next_state := TransitionState.greater;
|
||||
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.other) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.start) + 1][ORD(TransitionClass.other) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.less: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.less: Int) + 1].next_state := TransitionState.less;
|
||||
|
||||
transitions[state_index][cast(TransitionClass.other: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.other: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* Colon state. *)
|
||||
set_default_transition(TransitionState.colon, transition_action_finalize, TransitionState.finish);
|
||||
state_index := set_default_transition(TransitionState.colon, transition_action_finalize, TransitionState.finish);
|
||||
|
||||
transitions[ORD(TransitionState.colon) + 1][ORD(TransitionClass.equals) + 1].action := transition_action_composite;
|
||||
transitions[ORD(TransitionState.colon) + 1][ORD(TransitionClass.equals) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.equals: Int) + 1].action := transition_action_composite;
|
||||
transitions[state_index][cast(TransitionClass.equals: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* Identifier state. *)
|
||||
set_default_transition(TransitionState.identifier, transition_action_key_id, TransitionState.finish);
|
||||
state_index := set_default_transition(TransitionState.identifier, transition_action_key_id, TransitionState.finish);
|
||||
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.digit) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.digit) + 1].next_state := TransitionState.identifier;
|
||||
transitions[state_index][cast(TransitionClass.digit: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.digit: Int) + 1].next_state := TransitionState.identifier;
|
||||
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.alpha) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.alpha) + 1].next_state := TransitionState.identifier;
|
||||
transitions[state_index][cast(TransitionClass.alpha: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.alpha: Int) + 1].next_state := TransitionState.identifier;
|
||||
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.underscore) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.underscore) + 1].next_state := TransitionState.identifier;
|
||||
transitions[state_index][cast(TransitionClass.underscore: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.underscore: Int) + 1].next_state := TransitionState.identifier;
|
||||
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.hex) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.hex) + 1].next_state := TransitionState.identifier;
|
||||
transitions[state_index][cast(TransitionClass.hex: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.hex: Int) + 1].next_state := TransitionState.identifier;
|
||||
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.zero) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.zero) + 1].next_state := TransitionState.identifier;
|
||||
transitions[state_index][cast(TransitionClass.zero: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.zero: Int) + 1].next_state := TransitionState.identifier;
|
||||
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.x) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.identifier) + 1][ORD(TransitionClass.x) + 1].next_state := TransitionState.identifier;
|
||||
transitions[state_index][cast(TransitionClass.x: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.x: Int) + 1].next_state := TransitionState.identifier;
|
||||
|
||||
(* Decimal state. *)
|
||||
set_default_transition(TransitionState.decimal, transition_action_integer, TransitionState.finish);
|
||||
state_index := set_default_transition(TransitionState.decimal, transition_action_integer, TransitionState.finish);
|
||||
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.digit) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.digit) + 1].next_state := TransitionState.decimal;
|
||||
transitions[state_index][cast(TransitionClass.digit: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.digit: Int) + 1].next_state := TransitionState.decimal;
|
||||
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.alpha) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.alpha) + 1].next_state := TransitionState.decimal_suffix;
|
||||
transitions[state_index][cast(TransitionClass.alpha: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.alpha: Int) + 1].next_state := TransitionState.decimal_suffix;
|
||||
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.underscore) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.underscore) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.underscore: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.underscore: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.hex) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.hex) + 1].next_state := TransitionState.decimal_suffix;
|
||||
transitions[state_index][cast(TransitionClass.hex: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.hex: Int) + 1].next_state := TransitionState.decimal_suffix;
|
||||
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.zero) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.zero) + 1].next_state := TransitionState.decimal;
|
||||
transitions[state_index][cast(TransitionClass.zero: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.zero: Int) + 1].next_state := TransitionState.decimal;
|
||||
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.x) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.decimal) + 1][ORD(TransitionClass.x) + 1].next_state := TransitionState.decimal_suffix;
|
||||
transitions[state_index][cast(TransitionClass.x: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.x: Int) + 1].next_state := TransitionState.decimal_suffix;
|
||||
|
||||
(* Greater state. *)
|
||||
set_default_transition(TransitionState.greater, transition_action_finalize, TransitionState.finish);
|
||||
state_index := set_default_transition(TransitionState.greater, transition_action_finalize, TransitionState.finish);
|
||||
|
||||
transitions[ORD(TransitionState.greater) + 1][ORD(TransitionClass.equals) + 1].action := transition_action_composite;
|
||||
transitions[ORD(TransitionState.greater) + 1][ORD(TransitionClass.equals) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.equals: Int) + 1].action := transition_action_composite;
|
||||
transitions[state_index][cast(TransitionClass.equals: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* Minus state. *)
|
||||
set_default_transition(TransitionState.minus, transition_action_finalize, TransitionState.finish);
|
||||
state_index := set_default_transition(TransitionState.minus, transition_action_finalize, TransitionState.finish);
|
||||
|
||||
transitions[ORD(TransitionState.minus) + 1][ORD(TransitionClass.greater) + 1].action := transition_action_composite;
|
||||
transitions[ORD(TransitionState.minus) + 1][ORD(TransitionClass.greater) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.greater: Int) + 1].action := transition_action_composite;
|
||||
transitions[state_index][cast(TransitionClass.greater: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* Left paren state. *)
|
||||
set_default_transition(TransitionState.left_paren, transition_action_finalize, TransitionState.finish);
|
||||
state_index := set_default_transition(TransitionState.left_paren, transition_action_finalize, TransitionState.finish);
|
||||
|
||||
transitions[ORD(TransitionState.left_paren) + 1][ORD(TransitionClass.asterisk) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.left_paren) + 1][ORD(TransitionClass.asterisk) + 1].next_state := TransitionState.comment;
|
||||
transitions[state_index][cast(TransitionClass.asterisk: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.asterisk: Int) + 1].next_state := TransitionState.comment;
|
||||
|
||||
(* Less state. *)
|
||||
set_default_transition(TransitionState.less, transition_action_finalize, TransitionState.finish);
|
||||
state_index := set_default_transition(TransitionState.less, transition_action_finalize, TransitionState.finish);
|
||||
|
||||
transitions[ORD(TransitionState.less) + 1][ORD(TransitionClass.equals) + 1].action := transition_action_composite;
|
||||
transitions[ORD(TransitionState.less) + 1][ORD(TransitionClass.equals) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.equals: Int) + 1].action := transition_action_composite;
|
||||
transitions[state_index][cast(TransitionClass.equals: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.less) + 1][ORD(TransitionClass.greater) + 1].action := transition_action_composite;
|
||||
transitions[ORD(TransitionState.less) + 1][ORD(TransitionClass.greater) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.greater: Int) + 1].action := transition_action_composite;
|
||||
transitions[state_index][cast(TransitionClass.greater: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* Hexadecimal after 0x. *)
|
||||
set_default_transition(TransitionState.dot, transition_action_finalize, TransitionState.finish);
|
||||
state_index := set_default_transition(TransitionState.dot, transition_action_finalize, TransitionState.finish);
|
||||
|
||||
transitions[ORD(TransitionState.dot) + 1][ORD(TransitionClass.dot) + 1].action := transition_action_composite;
|
||||
transitions[ORD(TransitionState.dot) + 1][ORD(TransitionClass.dot) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.dot: Int) + 1].action := transition_action_composite;
|
||||
transitions[state_index][cast(TransitionClass.dot: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* Comment. *)
|
||||
set_default_transition(TransitionState.comment, transition_action_accumulate, TransitionState.comment);
|
||||
state_index := set_default_transition(TransitionState.comment, transition_action_accumulate, TransitionState.comment);
|
||||
|
||||
transitions[ORD(TransitionState.comment) + 1][ORD(TransitionClass.asterisk) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.comment) + 1][ORD(TransitionClass.asterisk) + 1].next_state := TransitionState.closing_comment;
|
||||
transitions[state_index][cast(TransitionClass.asterisk: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.asterisk: Int) + 1].next_state := TransitionState.closing_comment;
|
||||
|
||||
transitions[ORD(TransitionState.comment) + 1][ORD(TransitionClass.eof) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.comment) + 1][ORD(TransitionClass.eof) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.eof: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.eof: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* Closing comment. *)
|
||||
set_default_transition(TransitionState.closing_comment, transition_action_accumulate, TransitionState.comment);
|
||||
state_index := set_default_transition(TransitionState.closing_comment, transition_action_accumulate, TransitionState.comment);
|
||||
|
||||
transitions[ORD(TransitionState.closing_comment) + 1][ORD(TransitionClass.invalid) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.closing_comment) + 1][ORD(TransitionClass.invalid) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.invalid: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.invalid: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.closing_comment) + 1][ORD(TransitionClass.right_paren) + 1].action := transition_action_delimited;
|
||||
transitions[ORD(TransitionState.closing_comment) + 1][ORD(TransitionClass.right_paren) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.right_paren: Int) + 1].action := transition_action_delimited;
|
||||
transitions[state_index][cast(TransitionClass.right_paren: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.closing_comment) + 1][ORD(TransitionClass.asterisk) + 1].action := transition_action_accumulate;
|
||||
transitions[ORD(TransitionState.closing_comment) + 1][ORD(TransitionClass.asterisk) + 1].next_state := TransitionState.closing_comment;
|
||||
transitions[state_index][cast(TransitionClass.asterisk: Int) + 1].action := transition_action_accumulate;
|
||||
transitions[state_index][cast(TransitionClass.asterisk: Int) + 1].next_state := TransitionState.closing_comment;
|
||||
|
||||
transitions[ORD(TransitionState.closing_comment) + 1][ORD(TransitionClass.eof) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.closing_comment) + 1][ORD(TransitionClass.eof) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.eof: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.eof: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* Character. *)
|
||||
set_default_transition(TransitionState.character, transition_action_accumulate, TransitionState.character);
|
||||
state_index := set_default_transition(TransitionState.character, transition_action_accumulate, TransitionState.character);
|
||||
|
||||
transitions[ORD(TransitionState.character) + 1][ORD(TransitionClass.invalid) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.character) + 1][ORD(TransitionClass.invalid) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.invalid: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.invalid: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.character) + 1][ORD(TransitionClass.eof) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.character) + 1][ORD(TransitionClass.eof) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.eof: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.eof: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.character) + 1][ORD(TransitionClass.single_quote) + 1].action := transition_action_delimited;
|
||||
transitions[ORD(TransitionState.character) + 1][ORD(TransitionClass.single_quote) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.single_quote: Int) + 1].action := transition_action_delimited;
|
||||
transitions[state_index][cast(TransitionClass.single_quote: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* String. *)
|
||||
set_default_transition(TransitionState.string, transition_action_accumulate, TransitionState.string);
|
||||
state_index := set_default_transition(TransitionState.string, transition_action_accumulate, TransitionState.string);
|
||||
|
||||
transitions[ORD(TransitionState.string) + 1][ORD(TransitionClass.invalid) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.string) + 1][ORD(TransitionClass.invalid) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.invalid: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.invalid: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.string) + 1][ORD(TransitionClass.eof) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.string) + 1][ORD(TransitionClass.eof) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.eof: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.eof: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.string) + 1][ORD(TransitionClass.double_quote) + 1].action := transition_action_delimited;
|
||||
transitions[ORD(TransitionState.string) + 1][ORD(TransitionClass.double_quote) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.double_quote: Int) + 1].action := transition_action_delimited;
|
||||
transitions[state_index][cast(TransitionClass.double_quote: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* Leading zero. *)
|
||||
set_default_transition(TransitionState.leading_zero, transition_action_integer, TransitionState.finish);
|
||||
state_index := set_default_transition(TransitionState.leading_zero, transition_action_integer, TransitionState.finish);
|
||||
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.digit) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.digit) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.digit: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.digit: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.alpha) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.alpha) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.alpha: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.alpha: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.underscore) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.underscore) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.underscore: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.underscore: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.hex) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.hex) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.hex: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.hex: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.zero) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.zero) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.zero: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.zero: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.x) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.leading_zero) + 1][ORD(TransitionClass.x) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.x: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.x: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
(* Digit with a character suffix. *)
|
||||
set_default_transition(TransitionState.decimal_suffix, transition_action_integer, TransitionState.finish);
|
||||
state_index := set_default_transition(TransitionState.decimal_suffix, transition_action_integer, TransitionState.finish);
|
||||
|
||||
transitions[ORD(TransitionState.decimal_suffix) + 1][ORD(TransitionClass.alpha) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.decimal_suffix) + 1][ORD(TransitionClass.alpha) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.alpha: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.alpha: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.decimal_suffix) + 1][ORD(TransitionClass.digit) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.decimal_suffix) + 1][ORD(TransitionClass.digit) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.digit: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.digit: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.decimal_suffix) + 1][ORD(TransitionClass.hex) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.decimal_suffix) + 1][ORD(TransitionClass.hex) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.hex: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.hex: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.decimal_suffix) + 1][ORD(TransitionClass.zero) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.decimal_suffix) + 1][ORD(TransitionClass.zero) + 1].next_state := TransitionState.finish;
|
||||
transitions[state_index][cast(TransitionClass.zero: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.zero: Int) + 1].next_state := TransitionState.finish;
|
||||
|
||||
transitions[ORD(TransitionState.decimal_suffix) + 1][ORD(TransitionClass.x) + 1].action := nil;
|
||||
transitions[ORD(TransitionState.decimal_suffix) + 1][ORD(TransitionClass.x) + 1].next_state := TransitionState.finish
|
||||
transitions[state_index][cast(TransitionClass.x: Int) + 1].action := nil;
|
||||
transitions[state_index][cast(TransitionClass.x: Int) + 1].next_state := TransitionState.finish
|
||||
end;
|
||||
|
||||
proc lexer_make*(lexer: ^Lexer, input: ^FILE);
|
||||
@@ -889,7 +897,7 @@ begin
|
||||
lexer^.length := 0;
|
||||
|
||||
lexer^.buffer := malloc(CHUNK_SIZE);
|
||||
MemZero(lexer^.buffer, CHUNK_SIZE);
|
||||
memset(lexer^.buffer, 0, CHUNK_SIZE);
|
||||
lexer^.size := CHUNK_SIZE
|
||||
end;
|
||||
|
||||
@@ -907,14 +915,11 @@ begin
|
||||
current_state := TransitionState.start;
|
||||
|
||||
while current_state <> TransitionState.finish do
|
||||
index1 := ORD(lexer^.current.iterator^);
|
||||
index1 := index1 + 1u;
|
||||
index1 := cast(lexer^.current.iterator^: Word) + 1u;
|
||||
current_class := classification[index1];
|
||||
|
||||
index1 := ORD(current_state);
|
||||
index1 := index1 + 1u;
|
||||
index2 := ORD(current_class);
|
||||
index2 := index + 1u;
|
||||
index1 := cast(current_state: Word) + 1u;
|
||||
index2 := cast(current_class: Word) + 1u;
|
||||
|
||||
current_transition := transitions[index1][index2];
|
||||
if current_transition.action <> nil then
|
||||
|
||||
@@ -3,11 +3,7 @@
|
||||
obtain one at https://mozilla.org/MPL/2.0/. *)
|
||||
module;
|
||||
|
||||
import cstdlib;
|
||||
from MemUtils import MemZero;
|
||||
|
||||
from Common import Identifier, ShortString;
|
||||
from Lexer import Lexer, LexerToken, lexer_current, lexer_lex;
|
||||
import cstdlib, common, Lexer;
|
||||
|
||||
type
|
||||
Parser = record
|
||||
@@ -24,7 +20,7 @@ type
|
||||
kind: AstLiteralKind;
|
||||
value: union
|
||||
integer: Int;
|
||||
string: ShortString;
|
||||
string: String;
|
||||
boolean: Bool
|
||||
end
|
||||
end;
|
||||
@@ -237,7 +233,7 @@ begin
|
||||
end
|
||||
end;
|
||||
current_field := current_field + 1;
|
||||
MemZero(current_field, #size(AstFieldDeclaration));
|
||||
memset(current_field, 0, #size(AstFieldDeclaration));
|
||||
|
||||
return field_declarations
|
||||
end;
|
||||
@@ -331,7 +327,7 @@ begin
|
||||
token := parser_lex(parser^.lexer)
|
||||
end;
|
||||
current_case := current_case + 1;
|
||||
MemZero(current_case, #size(Identifier));
|
||||
memset(current_case, 0, #size(Identifier));
|
||||
|
||||
return result
|
||||
end;
|
||||
@@ -608,7 +604,7 @@ begin
|
||||
token := parser_lex(parser^.lexer)
|
||||
end;
|
||||
current_symbol := current_symbol + 1;
|
||||
MemZero(current_symbol, #size(Identifier));
|
||||
memset(current_symbol, 0, #size(Identifier));
|
||||
|
||||
token := parser_lex(parser^.lexer);
|
||||
|
||||
|
||||
@@ -6,14 +6,11 @@ module;
|
||||
from FIO import File, WriteNBytes, WriteLine, WriteChar, WriteString;
|
||||
from NumberIO import IntToStr;
|
||||
|
||||
from Common import Identifier, ShortString;
|
||||
from Parser import AstLiteralKind, AstUnaryOperator, AstBinaryOperator, AstModule, AstExpression, AstLiteral,
|
||||
AstConstantDeclaration, AstStatement, AstTypedDeclaration, AstCompoundStatement, AstProcedureDeclaration,
|
||||
AstVariableDeclaration, AstImportStatement, AstTypeExpression, AstFieldDeclaration;
|
||||
import common, Parser;
|
||||
|
||||
type
|
||||
TranspilerContext* = record
|
||||
input_name: ShortString;
|
||||
input_name: String;
|
||||
output: File;
|
||||
definition: File;
|
||||
indentation: Word
|
||||
@@ -26,7 +23,7 @@ begin
|
||||
count := 0;
|
||||
|
||||
while count < context^.indentation do
|
||||
WriteString(context^.output, ' ');
|
||||
WriteString(context^.output, " ");
|
||||
count := count + 1u
|
||||
end
|
||||
end;
|
||||
@@ -43,17 +40,17 @@ var
|
||||
written_bytes: Word;
|
||||
current_symbol: ^Identifier;
|
||||
begin
|
||||
WriteString(context^.output, 'FROM ');
|
||||
WriteString(context^.output, "FROM ");
|
||||
written_bytes := WriteNBytes(context^.output, ORD(import_statement^.package[1]), @import_statement^.package[2]);
|
||||
|
||||
WriteString(context^.output, ' IMPORT ');
|
||||
WriteString(context^.output, " IMPORT ");
|
||||
|
||||
current_symbol := import_statement^.symbols;
|
||||
written_bytes := WriteNBytes(context^.output, ORD(current_symbol^[1]), @current_symbol^[2]);
|
||||
current_symbol := current_symbol + 1;
|
||||
|
||||
while ORD(current_symbol^[1]) <> 0 do
|
||||
WriteString(context^.output, ', ');
|
||||
while current_symbol^[1] <> '\0' do
|
||||
WriteString(context^.output, ", ");
|
||||
written_bytes := WriteNBytes(context^.output, ORD(current_symbol^[1]), @current_symbol^[2]);
|
||||
current_symbol := current_symbol + 1;
|
||||
end;
|
||||
@@ -76,10 +73,10 @@ var
|
||||
buffer: [20]CHAR;
|
||||
written_bytes: Word;
|
||||
begin
|
||||
WriteString(context^.output, ' ');
|
||||
WriteString(context^.output, " ");
|
||||
written_bytes := WriteNBytes(context^.output, ORD(declaration^.constant_name[1]), @declaration^.constant_name[2]);
|
||||
|
||||
WriteString(context^.output, ' = ');
|
||||
WriteString(context^.output, " = ");
|
||||
|
||||
IntToStr(declaration^.constant_value, 0, buffer);
|
||||
WriteString(context^.output, buffer);
|
||||
@@ -92,7 +89,7 @@ var
|
||||
current_declaration: ^^AstConstantDeclaration;
|
||||
begin
|
||||
if declarations^ <> nil then
|
||||
WriteString(context^.output, 'CONST');
|
||||
WriteString(context^.output, "CONST");
|
||||
WriteLine(context^.output);
|
||||
|
||||
current_declaration := declarations;
|
||||
@@ -110,9 +107,9 @@ end;
|
||||
proc transpile_module(context: ^TranspilerContext, result: ^AstModule);
|
||||
begin
|
||||
if result^.main = false then
|
||||
WriteString(context^.output, 'IMPLEMENTATION ')
|
||||
WriteString(context^.output, "IMPLEMENTATION ")
|
||||
end;
|
||||
WriteString(context^.output, 'MODULE ');
|
||||
WriteString(context^.output, "MODULE ");
|
||||
|
||||
(* Write the module name and end the line with a semicolon and newline. *)
|
||||
transpile_module_name(context);
|
||||
@@ -129,10 +126,10 @@ begin
|
||||
transpile_procedure_part(context, result^.procedures);
|
||||
transpile_statement_part(context, result^.statements);
|
||||
|
||||
WriteString(context^.output, 'END ');
|
||||
WriteString(context^.output, "END ");
|
||||
transpile_module_name(context);
|
||||
|
||||
WriteChar(context^.output, '.');
|
||||
WriteChar(context^.output, ".");
|
||||
WriteLine(context^.output)
|
||||
end;
|
||||
|
||||
@@ -143,16 +140,16 @@ var
|
||||
begin
|
||||
current_field := fields;
|
||||
|
||||
while ORD(current_field^.field_name[1]) <> 0 do
|
||||
WriteString(context^.output, ' ');
|
||||
while current_field^.field_name[1] <> '\0' do
|
||||
WriteString(context^.output, " ");
|
||||
written_bytes := WriteNBytes(context^.output, ORD(current_field^.field_name[1]), @current_field^.field_name[2]);
|
||||
|
||||
WriteString(context^.output, ': ');
|
||||
WriteString(context^.output, ": ");
|
||||
transpile_type_expression(context, current_field^.field_type);
|
||||
|
||||
current_field := current_field + 1;
|
||||
|
||||
if ORD(current_field^.field_name[1]) <> 0 then
|
||||
if current_field^.field_name[1] <> '\0' then
|
||||
WriteChar(context^.output, ';')
|
||||
end;
|
||||
WriteLine(context^.output)
|
||||
@@ -161,15 +158,15 @@ end;
|
||||
|
||||
proc transpile_record_type(context: ^TranspilerContext, type_expression: ^AstTypeExpression);
|
||||
begin
|
||||
WriteString(context^.output, 'RECORD');
|
||||
WriteString(context^.output, "RECORD");
|
||||
WriteLine(context^.output);
|
||||
transpile_type_fields(context, type_expression^.fields);
|
||||
WriteString(context^.output, ' END')
|
||||
WriteString(context^.output, " END")
|
||||
end;
|
||||
|
||||
proc transpile_pointer_type(context: ^TranspilerContext, type_expression: ^AstTypeExpression);
|
||||
begin
|
||||
WriteString(context^.output, 'POINTER TO ');
|
||||
WriteString(context^.output, "POINTER TO ");
|
||||
|
||||
transpile_type_expression(context, type_expression^.target)
|
||||
end;
|
||||
@@ -178,17 +175,17 @@ proc transpile_array_type(context: ^TranspilerContext, type_expression: ^AstType
|
||||
var
|
||||
buffer: [20]CHAR;
|
||||
begin
|
||||
WriteString(context^.output, 'ARRAY');
|
||||
WriteString(context^.output, "ARRAY");
|
||||
|
||||
if type_expression^.length <> 0 then
|
||||
WriteString(context^.output, '[1..');
|
||||
WriteString(context^.output, "[1..");
|
||||
|
||||
IntToStr(type_expression^.length, 0, buffer);
|
||||
WriteString(context^.output, buffer);
|
||||
|
||||
WriteChar(context^.output, ']')
|
||||
end;
|
||||
WriteString(context^.output, ' OF ');
|
||||
WriteString(context^.output, " OF ");
|
||||
|
||||
transpile_type_expression(context, type_expression^.base)
|
||||
end;
|
||||
@@ -200,22 +197,22 @@ var
|
||||
begin
|
||||
current_case := type_expression^.cases;
|
||||
|
||||
WriteString(context^.output, '(');
|
||||
WriteString(context^.output, "(");
|
||||
WriteLine(context^.output);
|
||||
WriteString(context^.output, ' ');
|
||||
WriteString(context^.output, " ");
|
||||
written_bytes := WriteNBytes(context^.output, ORD(current_case^[1]), @current_case^[2]);
|
||||
current_case := current_case + 1;
|
||||
|
||||
while ORD(current_case^[1]) <> 0 do
|
||||
while current_case^[1] <> '\0' do
|
||||
WriteChar(context^.output, ',');
|
||||
WriteLine(context^.output);
|
||||
WriteString(context^.output, ' ');
|
||||
WriteString(context^.output, " ");
|
||||
written_bytes := WriteNBytes(context^.output, ORD(current_case^[1]), @current_case^[2]);
|
||||
|
||||
current_case := current_case + 1
|
||||
end;
|
||||
WriteLine(context^.output);
|
||||
WriteString(context^.output, ' )')
|
||||
WriteString(context^.output, " )")
|
||||
end;
|
||||
|
||||
proc transpile_named_type(context: ^TranspilerContext, type_expression: ^AstTypeExpression);
|
||||
@@ -231,7 +228,7 @@ var
|
||||
current_parameter: ^^AstTypeExpression;
|
||||
parameter_count: Word;
|
||||
begin
|
||||
WriteString(context^.output, 'PROCEDURE(');
|
||||
WriteString(context^.output, "PROCEDURE(");
|
||||
current_parameter := type_expression^.parameters;
|
||||
|
||||
while current_parameter^ <> nil do
|
||||
@@ -240,7 +237,7 @@ begin
|
||||
current_parameter := current_parameter + 1;
|
||||
|
||||
if current_parameter^ <> nil then
|
||||
WriteString(context^.output, ', ')
|
||||
WriteString(context^.output, ", ")
|
||||
end
|
||||
end;
|
||||
WriteChar(context^.output, ')')
|
||||
@@ -272,10 +269,10 @@ proc transpile_type_declaration(context: ^TranspilerContext, declaration: ^AstTy
|
||||
var
|
||||
written_bytes: Word;
|
||||
begin
|
||||
WriteString(context^.output, ' ');
|
||||
WriteString(context^.output, " ");
|
||||
|
||||
written_bytes := WriteNBytes(context^.output, ORD(declaration^.identifier[1]), @declaration^.identifier[2]);
|
||||
WriteString(context^.output, ' = ');
|
||||
WriteString(context^.output, " = ");
|
||||
|
||||
transpile_type_expression(context, declaration^.type_expression);
|
||||
write_semicolon(context^.output)
|
||||
@@ -286,7 +283,7 @@ var
|
||||
current_declaration: ^^AstTypedDeclaration;
|
||||
begin
|
||||
if declarations^ <> nil then
|
||||
WriteString(context^.output, 'TYPE');
|
||||
WriteString(context^.output, "TYPE");
|
||||
WriteLine(context^.output);
|
||||
|
||||
current_declaration := declarations;
|
||||
@@ -303,10 +300,10 @@ proc transpile_variable_declaration(context: ^TranspilerContext, declaration: ^A
|
||||
var
|
||||
written_bytes: Word;
|
||||
begin
|
||||
WriteString(context^.output, ' ');
|
||||
WriteString(context^.output, " ");
|
||||
written_bytes := WriteNBytes(context^.output, ORD(declaration^.variable_name[1]), @declaration^.variable_name[2]);
|
||||
|
||||
WriteString(context^.output, ': ');
|
||||
WriteString(context^.output, ": ");
|
||||
|
||||
transpile_type_expression(context, declaration^.variable_type);
|
||||
write_semicolon(context^.output)
|
||||
@@ -317,7 +314,7 @@ var
|
||||
current_declaration: ^^AstVariableDeclaration;
|
||||
begin
|
||||
if declarations^ <> nil then
|
||||
WriteString(context^.output, 'VAR');
|
||||
WriteString(context^.output, "VAR");
|
||||
WriteLine(context^.output);
|
||||
|
||||
current_declaration := declarations;
|
||||
@@ -338,7 +335,7 @@ var
|
||||
parameter_index: Word;
|
||||
current_parameter: ^AstTypedDeclaration;
|
||||
begin
|
||||
WriteString(context^.output, 'PROCEDURE ');
|
||||
WriteString(context^.output, "PROCEDURE ");
|
||||
written_bytes := WriteNBytes(context^.output, ORD(declaration^.name[1]), @declaration^.name[2]);
|
||||
WriteChar(context^.output, '(');
|
||||
|
||||
@@ -347,22 +344,22 @@ begin
|
||||
|
||||
while parameter_index < declaration^.parameter_count do
|
||||
written_bytes := WriteNBytes(context^.output, ORD(current_parameter^.identifier[1]), @current_parameter^.identifier[2]);
|
||||
WriteString(context^.output, ': ');
|
||||
WriteString(context^.output, ": ");
|
||||
transpile_type_expression(context, current_parameter^.type_expression);
|
||||
|
||||
parameter_index := parameter_index + 1u;
|
||||
current_parameter := current_parameter + 1;
|
||||
|
||||
if parameter_index <> declaration^.parameter_count then
|
||||
WriteString(context^.output, '; ')
|
||||
WriteString(context^.output, "; ")
|
||||
end
|
||||
end;
|
||||
|
||||
WriteString(context^.output, ')');
|
||||
WriteString(context^.output, ")");
|
||||
|
||||
(* Check for the return type and write it. *)
|
||||
if declaration^.return_type <> nil then
|
||||
WriteString(context^.output, ': ');
|
||||
WriteString(context^.output, ": ");
|
||||
transpile_type_expression(context, declaration^.return_type)
|
||||
end;
|
||||
write_semicolon(context^.output)
|
||||
@@ -388,10 +385,10 @@ begin
|
||||
| AstBinaryOperator.not_equals: WriteChar(context^.output, '#')
|
||||
| AstBinaryOperator.less: WriteChar(context^.output, '<')
|
||||
| AstBinaryOperator.greater: WriteChar(context^.output, '>')
|
||||
| AstBinaryOperator.less_equal: WriteString(context^.output, '<=')
|
||||
| AstBinaryOperator.greater_equal: WriteString(context^.output, '>=')
|
||||
| AstBinaryOperator.disjunction: WriteString(context^.output, 'OR')
|
||||
| AstBinaryOperatorConjunction: WriteString(context^.output, 'AND')
|
||||
| AstBinaryOperator.less_equal: WriteString(context^.output, "<=")
|
||||
| AstBinaryOperator.greater_equal: WriteString(context^.output, ">=")
|
||||
| AstBinaryOperator.disjunction: WriteString(context^.output, "OR")
|
||||
| AstBinaryOperatorConjunction: WriteString(context^.output, "AND")
|
||||
end
|
||||
end;
|
||||
|
||||
@@ -414,13 +411,13 @@ begin
|
||||
WriteString(context^.output, literal^.string)
|
||||
end;
|
||||
if literal^.kind = AstLiteralKind.null then
|
||||
WriteString(context^.output, 'NIL')
|
||||
WriteString(context^.output, "NIL")
|
||||
end;
|
||||
if (literal^.kind = AstLiteralKind.boolean) & literal^.boolean then
|
||||
WriteString(context^.output, 'TRUE')
|
||||
WriteString(context^.output, "TRUE")
|
||||
end;
|
||||
if (literal^.kind = AstLiteralKind.boolean) & (literal^.boolean = false) then
|
||||
WriteString(context^.output, 'FALSE')
|
||||
WriteString(context^.output, "FALSE")
|
||||
end
|
||||
end;
|
||||
if expression^.kind = astExpressionKindIdentifier then
|
||||
@@ -466,7 +463,7 @@ begin
|
||||
current_argument := current_argument + 1;
|
||||
|
||||
while argument_index < expression^.argument_count do
|
||||
WriteString(context^.output, ', ');
|
||||
WriteString(context^.output, ", ");
|
||||
|
||||
transpile_expression(context, current_argument^);
|
||||
|
||||
@@ -480,44 +477,44 @@ end;
|
||||
|
||||
proc transpile_if_statement(context: ^TranspilerContext, statement: ^AstStatement);
|
||||
begin
|
||||
WriteString(context^.output, 'IF ');
|
||||
WriteString(context^.output, "IF ");
|
||||
transpile_expression(context, statement^.if_condition);
|
||||
|
||||
WriteString(context^.output, ' THEN');
|
||||
WriteString(context^.output, " THEN");
|
||||
WriteLine(context^.output);
|
||||
context^.indentation := context^.indentation + 1u;
|
||||
|
||||
transpile_compound_statement(context, statement^.if_branch);
|
||||
context^.indentation := context^.indentation - 1u;
|
||||
indent(context);
|
||||
WriteString(context^.output, 'END')
|
||||
WriteString(context^.output, "END")
|
||||
end;
|
||||
|
||||
proc transpile_while_statement(context: ^TranspilerContext, statement: ^AstStatement);
|
||||
begin
|
||||
WriteString(context^.output, 'WHILE ');
|
||||
WriteString(context^.output, "WHILE ");
|
||||
transpile_expression(context, statement^.while_condition);
|
||||
|
||||
WriteString(context^.output, ' DO');
|
||||
WriteString(context^.output, " DO");
|
||||
WriteLine(context^.output);
|
||||
context^.indentation := context^.indentation + 1u;
|
||||
|
||||
transpile_compound_statement(context, statement^.while_body);
|
||||
context^.indentation := context^.indentation - 1u;
|
||||
indent(context);
|
||||
WriteString(context^.output, 'END')
|
||||
WriteString(context^.output, "END")
|
||||
end;
|
||||
|
||||
proc transpile_assignment_statement(context: ^TranspilerContext, statement: ^AstStatement);
|
||||
begin
|
||||
transpile_expression(context, statement^.assignee);
|
||||
WriteString(context^.output, ' := ');
|
||||
WriteString(context^.output, " := ");
|
||||
transpile_expression(context, statement^.assignment)
|
||||
end;
|
||||
|
||||
proc transpile_return_statement(context: ^TranspilerContext, statement: ^AstStatement);
|
||||
begin
|
||||
WriteString(context^.output, 'RETURN ');
|
||||
WriteString(context^.output, "RETURN ");
|
||||
|
||||
transpile_expression(context, statement^.returned)
|
||||
end;
|
||||
@@ -567,7 +564,7 @@ end;
|
||||
proc transpile_statement_part(context: ^TranspilerContext, compound: AstCompoundStatement);
|
||||
begin
|
||||
if compound.count > 0 then
|
||||
WriteString(context^.output, 'BEGIN');
|
||||
WriteString(context^.output, "BEGIN");
|
||||
WriteLine(context^.output);
|
||||
|
||||
context^.indentation := context^.indentation + 1u;
|
||||
@@ -586,7 +583,7 @@ begin
|
||||
transpile_variable_part(context, declaration^.variables, false);
|
||||
transpile_statement_part(context, declaration^.statements);
|
||||
|
||||
WriteString(context^.output, 'END ');
|
||||
WriteString(context^.output, "END ");
|
||||
written_bytes := WriteNBytes(context^.output, ORD(declaration^.name[1]), @declaration^.name[2]);
|
||||
|
||||
write_semicolon(context^.output)
|
||||
@@ -610,7 +607,7 @@ begin
|
||||
counter := 1u;
|
||||
last_slash := 0u;
|
||||
|
||||
while (context^.input_name[counter] <> '.') & (ORD(context^.input_name[counter]) <> 0) do
|
||||
while context^.input_name[counter] <> '.' & context^.input_name[counter] <> '\0' do
|
||||
if context^.input_name[counter] = '/' then
|
||||
last_slash := counter
|
||||
end;
|
||||
@@ -623,13 +620,13 @@ begin
|
||||
if last_slash <> 0u then
|
||||
counter := last_slash + 1u
|
||||
end;
|
||||
while (context^.input_name[counter] <> '.') & (ORD(context^.input_name[counter]) <> 0) do
|
||||
while context^.input_name[counter] <> '.' & context^.input_name[counter] <> '\0' do
|
||||
WriteChar(context^.output, context^.input_name[counter]);
|
||||
counter := counter + 1u
|
||||
end
|
||||
end;
|
||||
|
||||
proc transpile*(ast_module: ^AstModule, output: File, definition: File, input_name: ShortString);
|
||||
proc transpile*(ast_module: ^AstModule, output: File, definition: File, input_name: String);
|
||||
var
|
||||
context: TranspilerContext;
|
||||
begin
|
||||
|
||||
11
source/cctype.elna
Normal file
11
source/cctype.elna
Normal file
@@ -0,0 +1,11 @@
|
||||
(* This Source Code Form is subject to the terms of the Mozilla Public License,
|
||||
v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
||||
obtain one at https://mozilla.org/MPL/2.0/. *)
|
||||
module;
|
||||
|
||||
proc isdigit(c: Int ) -> Int; extern;
|
||||
proc isalnum(c: Int) -> Int; extern;
|
||||
proc isalpha(c: Int) -> Int; extern;
|
||||
proc isspace(c: Int) -> Int; extern;
|
||||
|
||||
end.
|
||||
@@ -4,12 +4,10 @@
|
||||
module;
|
||||
|
||||
type
|
||||
ShortString = [256]Char;
|
||||
Identifier = [256]Char;
|
||||
TextLocation* = record
|
||||
line: Word;
|
||||
column: Word
|
||||
end;
|
||||
FILE* = record end;
|
||||
|
||||
end.
|
||||
23
source/cstdio.elna
Normal file
23
source/cstdio.elna
Normal file
@@ -0,0 +1,23 @@
|
||||
(* This Source Code Form is subject to the terms of the Mozilla Public License,
|
||||
v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
||||
obtain one at https://mozilla.org/MPL/2.0/. *)
|
||||
module;
|
||||
|
||||
type
|
||||
FILE* = record end;
|
||||
|
||||
proc fopen(pathname: ^Char, mode: ^Char) -> ^FILE; extern;
|
||||
proc fclose(stream: ^FILE) -> Int; extern;
|
||||
proc fseek(stream: ^FILE, off: Int, whence: Int) -> Int; extern;
|
||||
proc rewind(stream: ^FILE); extern;
|
||||
proc ftell(stream: ^FILE) -> Int; extern;
|
||||
proc fflush(stream: ^FILE) -> Int; extern;
|
||||
|
||||
proc fread(ptr: Pointer, size: Word, nmemb: Word, stream: ^FILE) -> Word; extern;
|
||||
|
||||
proc perror(s: ^Char); extern;
|
||||
|
||||
proc puts(s: ^Char) -> Int; extern;
|
||||
proc putchar(c: Int) -> Int; extern;
|
||||
|
||||
end.
|
||||
13
source/cstdlib.elna
Normal file
13
source/cstdlib.elna
Normal file
@@ -0,0 +1,13 @@
|
||||
(* This Source Code Form is subject to the terms of the Mozilla Public License,
|
||||
v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
||||
obtain one at https://mozilla.org/MPL/2.0/. *)
|
||||
module;
|
||||
|
||||
proc malloc(size: Word) -> Pointer; extern;
|
||||
proc free(ptr: Pointer); extern;
|
||||
proc calloc(nmemb: Word, size: Word) -> Pointer; extern;
|
||||
proc realloc(ptr: Pointer, size: Word) -> Pointer; extern;
|
||||
|
||||
proc exit(code: Int) -> !; extern;
|
||||
|
||||
end.
|
||||
15
source/cstring.elna
Normal file
15
source/cstring.elna
Normal file
@@ -0,0 +1,15 @@
|
||||
(* This Source Code Form is subject to the terms of the Mozilla Public License,
|
||||
v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
||||
obtain one at https://mozilla.org/MPL/2.0/. *)
|
||||
module;
|
||||
|
||||
proc memset(ptr: Pointer, c: Int, n: Int) -> ^Char; extern;
|
||||
proc memcpy(dst: Pointer, src: Pointer, n: Word); extern;
|
||||
|
||||
proc strcmp(s1: ^Char, s2: ^Char) -> Int; extern;
|
||||
proc strncmp(s1: ^Char, s2: ^Char, n: Word) -> Int; extern;
|
||||
proc strncpy(dst: ^Char, src: ^Char, dsize: Word) -> ^Char; extern;
|
||||
proc strcpy(dst: ^Char, src: ^Char) -> ^Char; extern;
|
||||
proc strlen(ptr: ^Char) -> Word; extern;
|
||||
|
||||
end.
|
||||
@@ -3,7 +3,7 @@
|
||||
obtain one at https://mozilla.org/MPL/2.0/. *)
|
||||
program;
|
||||
|
||||
import Common, Lexer;
|
||||
import cstdlib, cstring, cstdio, cctype, common, Lexer;
|
||||
|
||||
const
|
||||
SEEK_SET* := 0;
|
||||
@@ -127,30 +127,8 @@ type
|
||||
External procedures.
|
||||
*)
|
||||
|
||||
proc fopen(pathname: ^Char, mode: ^Char) -> ^FILE; extern;
|
||||
proc fclose(stream: ^FILE) -> Int; extern;
|
||||
proc fseek(stream: ^FILE, off: Int, whence: Int) -> Int; extern;
|
||||
proc rewind(stream: ^FILE); extern;
|
||||
proc ftell(stream: ^FILE) -> Int; extern;
|
||||
proc fread(ptr: Pointer, size: Word, nmemb: Word, stream: ^FILE) -> Word; extern;
|
||||
proc write(fd: Int, buf: Pointer, Word: Int) -> Int; extern;
|
||||
|
||||
proc malloc(size: Word) -> Pointer; extern;
|
||||
proc free(ptr: Pointer); extern;
|
||||
proc calloc(nmemb: Word, size: Word) -> Pointer; extern;
|
||||
proc realloc(ptr: Pointer, size: Word) -> Pointer; extern;
|
||||
|
||||
proc memset(ptr: ^Char, c: Int, n: Int) -> ^Char; extern;
|
||||
|
||||
proc strcmp(s1: ^Char, s2: ^Char) -> Int; extern;
|
||||
proc strncmp(s1: ^Char, s2: ^Char, n: Word) -> Int; extern;
|
||||
proc strncpy(dst: ^Char, src: ^Char, dsize: Word) -> ^Char; extern;
|
||||
proc strcpy(dst: ^Char, src: ^Char) -> ^Char; extern;
|
||||
proc strlen(ptr: ^Char) -> Word; extern;
|
||||
|
||||
proc perror(s: ^Char); extern;
|
||||
proc exit(code: Int) -> !; extern;
|
||||
|
||||
(*
|
||||
Standard procedures.
|
||||
*)
|
||||
@@ -161,12 +139,12 @@ end;
|
||||
|
||||
proc write_s(value: String);
|
||||
begin
|
||||
write(0, cast(value.ptr: Pointer), cast(value.length: Int))
|
||||
write(1, cast(value.ptr: Pointer), cast(value.length: Int))
|
||||
end;
|
||||
|
||||
proc write_z(value: ^Char);
|
||||
begin
|
||||
write(0, cast(value: Pointer), cast(strlen(value): Int))
|
||||
write(1, cast(value: Pointer), cast(strlen(value): Int))
|
||||
end;
|
||||
|
||||
proc write_b(value: Bool);
|
||||
@@ -180,7 +158,8 @@ end;
|
||||
|
||||
proc write_c(value: Char);
|
||||
begin
|
||||
write(0, cast(@value: Pointer), 1)
|
||||
putchar(cast(value: Int));
|
||||
fflush(nil)
|
||||
end;
|
||||
|
||||
proc write_i(value: Int);
|
||||
@@ -212,22 +191,6 @@ begin
|
||||
write_i(cast(value: Int))
|
||||
end;
|
||||
|
||||
proc is_digit(c: Char) -> Bool;
|
||||
return cast(c: Int) >= cast('0': Int) & cast(c: Int) <= cast('9': Int)
|
||||
end;
|
||||
|
||||
proc is_alpha(c: Char) -> Bool;
|
||||
return cast(c: Int) >= cast('A': Int) & cast(c: Int) <= cast('z': Int)
|
||||
end;
|
||||
|
||||
proc is_alnum(c: Char) -> Bool;
|
||||
return is_digit(c) or is_alpha(c)
|
||||
end;
|
||||
|
||||
proc is_space(c: Char) -> Bool;
|
||||
return c = ' ' or c = '\n' or c = '\t'
|
||||
end;
|
||||
|
||||
proc substring(string: String, start: Word, count: Word) -> String;
|
||||
return String(string.ptr + start, count)
|
||||
end;
|
||||
@@ -412,7 +375,7 @@ proc lexer_spaces(source_code: ^SourceCode);
|
||||
var
|
||||
current: Char;
|
||||
begin
|
||||
while ~source_code_empty(source_code) & is_space(source_code_head(source_code^)) do
|
||||
while ~source_code_empty(source_code) & isspace(cast(source_code_head(source_code^): Int)) <> 0 do
|
||||
current := source_code_head(source_code^);
|
||||
|
||||
if current = '\n' then
|
||||
@@ -424,7 +387,7 @@ end;
|
||||
|
||||
(* Checker whether the character is allowed in an identificator. *)
|
||||
proc lexer_is_ident(char: Char) -> Bool;
|
||||
return is_alnum(char) or char = '_'
|
||||
return isalnum(cast(char: Int)) <> 0 or char = '_'
|
||||
end;
|
||||
|
||||
proc lexer_identifier(source_code: ^SourceCode, token_content: ^StringBuffer);
|
||||
@@ -511,7 +474,7 @@ proc lexer_number(source_code: ^SourceCode, token_content: ^Int);
|
||||
begin
|
||||
token_content^ := 0;
|
||||
|
||||
while ~source_code_empty(source_code) & is_digit(source_code_head(source_code^)) do
|
||||
while ~source_code_empty(source_code) & isdigit(cast(source_code_head(source_code^): Int)) <> 0 do
|
||||
token_content^ := token_content^ * 10 + (cast(source_code_head(source_code^): Int) - cast('0': Int));
|
||||
|
||||
source_code_advance(source_code)
|
||||
@@ -607,7 +570,7 @@ begin
|
||||
|
||||
first_char := source_code_head(source_code);
|
||||
|
||||
if is_alpha(first_char) or first_char = '_' then
|
||||
if isalpha(cast(first_char: Int)) <> 0 or first_char = '_' then
|
||||
lexer_identifier(@source_code, token_buffer);
|
||||
current_token := lexer_categorize(string_buffer_clear(token_buffer))
|
||||
elsif first_char = '#' then
|
||||
@@ -616,7 +579,7 @@ begin
|
||||
|
||||
current_token.kind := TokenKind.trait;
|
||||
current_token.value.string := string_dup(string_buffer_clear(token_buffer))
|
||||
elsif is_digit(first_char) then
|
||||
elsif isdigit(cast(first_char: Int)) <> 0 then
|
||||
lexer_number(@source_code, @current_token.value.int_value);
|
||||
|
||||
if source_code_expect(@source_code, 'u') then
|
||||
|
||||
Reference in New Issue
Block a user