1019 lines
32 KiB
C++
1019 lines
32 KiB
C++
/*
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* FSM table generator:
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* Generate FSM tables as ".c" files from FSM functions.
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*
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* 23.03.2016 (dd.mm.yyyy)
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*/
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// TOP
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// 4tech_standard_preamble.h
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#if !defined(FTECH_INTEGERS)
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#define FTECH_INTEGERS
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#include <stdint.h>
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typedef int8_t i8_4tech;
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typedef int16_t i16_4tech;
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typedef int32_t i32_4tech;
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typedef int64_t i64_4tech;
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typedef uint8_t u8_4tech;
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typedef uint16_t u16_4tech;
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typedef uint32_t u32_4tech;
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typedef uint64_t u64_4tech;
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typedef float f32_4tech;
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typedef double f64_4tech;
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typedef int8_t b8_4tech;
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typedef int32_t b32_4tech;
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#endif
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#if !defined(Assert)
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# define Assert(n) do{ if (!(n)) *(int*)0 = 0xA11E; }while(0)
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#endif
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#if !defined(API_EXPORT)
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# define API_EXPORT
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#endif
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// standard preamble end
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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typedef int32_t bool32;
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#define ArrayCount(a) (sizeof(a)/sizeof(*a))
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#define LEXER_TABLE_FILE "4cpp/4cpp_lexer_tables.c"
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#include "../4cpp/4cpp_lexer_types.h"
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#include "../4ed_mem_ansi.c"
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typedef struct Whitespace_FSM{
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unsigned char pp_state;
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unsigned char white_done;
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} Whitespace_FSM;
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Whitespace_FSM
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whitespace_skip_fsm(Whitespace_FSM wfsm, char c){
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if (wfsm.pp_state != LSPP_default){
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if (c == '\n') wfsm.pp_state = LSPP_default;
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}
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if (!(c == ' ' || c == '\n' || c == '\t' || c == '\r' || c == '\f' || c == '\v')){
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wfsm.white_done = 1;
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}
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return(wfsm);
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}
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#define FSM_SIG(n) Cpp_Lex_FSM n(Cpp_Lex_FSM fsm, char c, b32_4tech get_flags)
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typedef FSM_SIG(FSM_Function);
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FSM_SIG(int_fsm){
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switch (fsm.state){
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case LSINT_default:
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{
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switch (c){
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case 'u': case 'U': fsm.state = LSINT_u; break;
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case 'l': fsm.state = LSINT_l; break;
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case 'L': fsm.state = LSINT_L; break;
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default: fsm.emit_token = true; break;
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}
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}break;
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case LSINT_u:
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{
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switch (c){
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case 'l': fsm.state = LSINT_ul; break;
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case 'L': fsm.state = LSINT_uL; break;
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default: fsm.emit_token = true; break;
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}
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}break;
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case LSINT_l:
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{
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switch (c){
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case 'l': fsm.state = LSINT_ll; break;
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case 'U': case 'u': fsm.state = LSINT_extra; break;
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default: fsm.emit_token = true; break;
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}
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}break;
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case LSINT_L:
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{
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switch (c){
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case 'L': fsm.state = LSINT_ll; break;
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case 'U': case 'u': fsm.state = LSINT_extra; break;
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default: fsm.emit_token = true; break;
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}
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}break;
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case LSINT_ul:
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{
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switch (c){
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case 'l': fsm.state = LSINT_extra; break;
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default: fsm.emit_token = true; break;
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}
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}break;
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case LSINT_uL:
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{
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switch (c){
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case 'L': fsm.state = LSINT_extra; break;
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default: fsm.emit_token = true; break;
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}
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}break;
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case LSINT_ll:
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{
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switch (c){
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case 'u': case 'U': fsm.state = LSINT_extra; break;
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default: fsm.emit_token = true; break;
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}
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}break;
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case LSINT_extra:
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fsm.emit_token = true;
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break;
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}
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return(fsm);
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}
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FSM_SIG(normal_str_fsm){
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if (!get_flags){
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switch (fsm.state){
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case LSSTR_default:
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case LSSTR_multiline:
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{
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switch (c){
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case '\n': case 0: fsm.state = LSSTR_error; fsm.emit_token = true; break;
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case '\\': fsm.state = LSSTR_escape; break;
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case '"': fsm.emit_token = true; break;
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default: break;
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}
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}break;
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case LSSTR_escape:
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{
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switch (c){
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case '\n': fsm.state = LSSTR_multiline; break;
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default: fsm.state = LSSTR_default; break;
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}
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}break;
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}
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}
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else{
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switch (fsm.state){
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case LSSTR_multiline:
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{
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fsm.flags = 1;
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}break;
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}
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}
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return(fsm);
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}
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FSM_SIG(normal_char_fsm){
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if (!get_flags){
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switch (fsm.state){
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case LSSTR_default:
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case LSSTR_multiline:
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{
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switch (c){
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case '\n': case 0: fsm.state = LSSTR_error; fsm.emit_token = true; break;
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case '\\': fsm.state = LSSTR_escape; break;
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case '\'': fsm.emit_token = true; break;
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default: break;
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}
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}break;
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case LSSTR_escape:
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{
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switch (c){
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case '\n': fsm.state = LSSTR_multiline; break;
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default: fsm.state = LSSTR_default; break;
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}
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}break;
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}
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}
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else{
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switch (fsm.state){
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case LSSTR_multiline:
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{
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fsm.flags = 1;
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}break;
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}
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}
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return(fsm);
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}
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FSM_SIG(raw_str_fsm){
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if (!get_flags){
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switch (fsm.state){
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case LSSTR_default:
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{
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switch (c){
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case 0: case ')': case '\\': case ' ': case '\n': fsm.emit_token = true; break;
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case '(': fsm.state = LSSTR_get_delim; fsm.emit_token = true; break;
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default: break;
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}
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}break;
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case LSSTR_get_delim:
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case LSSTR_multiline:
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{
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switch (c){
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case '\n': fsm.state = LSSTR_multiline; break;
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case 0: case '"': fsm.state = LSSTR_check_delim; fsm.emit_token = true; break;
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default: break;
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}
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}break;
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}
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}
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else{
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switch (fsm.state){
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case LSSTR_multiline:
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{
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fsm.flags = 1;
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}break;
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}
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}
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return(fsm);
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}
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FSM_SIG(include_str_fsm){
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switch (fsm.state){
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case LSSTR_default:
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{
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switch (c){
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case '\n': case 0: fsm.state = LSSTR_error; fsm.emit_token = true; break;
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case '>': fsm.emit_token = true; break;
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default: break;
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}
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}break;
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}
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return(fsm);
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}
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b32_4tech
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is_identifier_char(u8_4tech c, b32_4tech ignore_string_delims){
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b32_4tech result = (c >= '0' && c <= '9') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_' || c == '$' || c >= 128 || (ignore_string_delims && (c == '\'' || c == '"'));
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return(result);
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}
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b32_4tech
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is_identifier_char_restricted(u8_4tech c, b32_4tech ignore_string_delims){
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b32_4tech result = (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c >= 128 || (ignore_string_delims && (c == '\'' || c == '"'));
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return(result);
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}
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b32_4tech
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is_identifier_char_non_numeric(u8_4tech c, b32_4tech ignore_string_delims){
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b32_4tech result = (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_' || c == '$' || c >= 128 || (ignore_string_delims && (c == '\'' || c == '"'));
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return(result);
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}
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Cpp_Lex_FSM
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main_fsm(Cpp_Lex_FSM fsm, uint8_t pp_state, uint8_t c, bool32 ignore_string_delims){
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if (c == 0){
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switch (fsm.state){
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case LS_string_R:
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case LS_string_LUu8:
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{
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fsm.state = LS_identifier;
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}break;
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}
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fsm.emit_token = true;
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}
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else{
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switch (pp_state){
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case LSPP_error:
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{
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fsm.state = LS_error_message;
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if (c == '\n'){
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fsm.emit_token = true;
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}
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}break;
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default:
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switch (fsm.state){
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case LS_default:
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if (c == 'R'){
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fsm.state = LS_string_R;
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}
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else if (c == 'U' || c == 'L'){
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fsm.state = LS_string_LUu8;
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}
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else if (c == 'u'){
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fsm.state = LS_string_u;
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}
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else if (is_identifier_char_non_numeric(c, ignore_string_delims)){
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fsm.state = LS_identifier;
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}
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else if (c >= '1' && c <= '9'){
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fsm.state = LS_number;
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}
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else if (c == '0'){
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fsm.state = LS_number0;
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}
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else{
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switch (c){
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case '\'':
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{
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if (ignore_string_delims){
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fsm.state = LS_identifier;
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}
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else{
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fsm.state = LS_char;
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fsm.emit_token = true;
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}
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}break;
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case '"':
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{
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if (ignore_string_delims){
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fsm.state = LS_identifier;
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}
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else{
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fsm.state = LS_string_normal;
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fsm.emit_token = true;
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}
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}break;
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case '/': fsm.state = LS_comment_pre; break;
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case '.': fsm.state = LS_dot; break;
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case '<':
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if (pp_state == LSPP_include && !ignore_string_delims){
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fsm.state = LS_string_include;
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fsm.emit_token = true;
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}
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else{
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fsm.state = LS_less;
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}
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break;
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case '>': fsm.state = LS_more; break;
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case '-': fsm.state = LS_minus; break;
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case '&': fsm.state = LS_and; break;
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case '|': fsm.state = LS_or; break;
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case '+': fsm.state = LS_plus; break;
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case ':': fsm.state = LS_colon; break;
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case '*': case '%': case '^': case '=':
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case '!': fsm.state = LS_single_op; break;
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case '#':
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if (pp_state == LSPP_default){
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fsm.state = LS_pp;
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}
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else{
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fsm.state = LS_pound;
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}
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break;
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#define OperCase(op,type) case op: fsm.emit_token = true; break;
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OperCase('{', CPP_TOKEN_BRACE_OPEN);
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OperCase('}', CPP_TOKEN_BRACE_CLOSE);
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OperCase('[', CPP_TOKEN_BRACKET_OPEN);
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OperCase(']', CPP_TOKEN_BRACKET_CLOSE);
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OperCase('(', CPP_TOKEN_PARENTHESE_OPEN);
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OperCase(')', CPP_TOKEN_PARENTHESE_CLOSE);
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OperCase('~', CPP_TOKEN_TILDE);
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OperCase(',', CPP_TOKEN_COMMA);
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OperCase(';', CPP_TOKEN_SEMICOLON);
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OperCase('?', CPP_TOKEN_TERNARY_QMARK);
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OperCase('@', CPP_TOKEN_JUNK);
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OperCase('\\', CPP_TOKEN_JUNK);
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#undef OperCase
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}
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}
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break;
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case LS_identifier:
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{
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b32_4tech is_ident = is_identifier_char(c, ignore_string_delims);
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if (!is_ident){
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fsm.emit_token = true;
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}
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}
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break;
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case LS_pound:
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{
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fsm.emit_token = true;
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}break;
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case LS_pp:
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{
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if (c == ' ' || c == '\r' || c == '\v' || c == '\f'){
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// NOTE(allen): do nothing
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}
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else if (is_identifier_char_restricted(c, ignore_string_delims)){
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fsm.state = LS_ppdef;
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}
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else{
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fsm.emit_token = true;
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}
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}break;
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case LS_ppdef:
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{
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int is_ident = is_identifier_char_restricted(c, ignore_string_delims);
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if (!is_ident){
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fsm.emit_token = true;
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}
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}break;
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case LS_string_R:
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{
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if (ignore_string_delims){
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fsm.state = LS_count;
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fsm.emit_token = true;
|
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}
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else{
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switch (c){
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case '"': fsm.state = LS_string_raw; fsm.emit_token = true; break;
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default:
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{
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fsm.state = LS_identifier;
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b32_4tech is_ident = is_identifier_char(c, ignore_string_delims);
|
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if (!is_ident){
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fsm.emit_token = true;
|
|
}
|
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}break;
|
|
}
|
|
}
|
|
}break;
|
|
|
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case LS_string_LUu8:
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{
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if (ignore_string_delims){
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fsm.state = LS_count;
|
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fsm.emit_token = true;
|
|
}
|
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else{
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switch (c){
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case '"': fsm.state = LS_string_normal; fsm.emit_token = true; break;
|
|
case '\'': fsm.state = LS_char; fsm.emit_token = true; break;
|
|
case 'R': fsm.state = LS_string_R; break;
|
|
default:
|
|
{
|
|
fsm.state = LS_identifier;
|
|
b32_4tech is_ident = is_identifier_char(c, ignore_string_delims);
|
|
if (!is_ident){
|
|
fsm.emit_token = true;
|
|
}
|
|
}break;
|
|
}
|
|
}
|
|
}break;
|
|
|
|
case LS_string_u:
|
|
{
|
|
if (ignore_string_delims){
|
|
fsm.state = LS_count;
|
|
fsm.emit_token = true;
|
|
}
|
|
else{
|
|
switch (c){
|
|
case '"': fsm.state = LS_string_normal; fsm.emit_token = true; break;
|
|
case '\'': fsm.state = LS_char; fsm.emit_token = true; break;
|
|
case '8': fsm.state = LS_string_LUu8; break;
|
|
case 'R': fsm.state = LS_string_R; break;
|
|
default:
|
|
{
|
|
fsm.state = LS_identifier;
|
|
b32_4tech is_ident = is_identifier_char(c, ignore_string_delims);
|
|
if (!is_ident){
|
|
fsm.emit_token = true;
|
|
}
|
|
}break;
|
|
}
|
|
}
|
|
}break;
|
|
|
|
case LS_number:
|
|
if (c >= '0' && c <= '9'){
|
|
fsm.state = LS_number;
|
|
}
|
|
else{
|
|
switch (c){
|
|
case '.': fsm.state = LS_float; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case LS_number0:
|
|
if (c >= '0' && c <= '9'){
|
|
fsm.state = LS_number;
|
|
}
|
|
else if (c == 'x'){
|
|
fsm.state = LS_hex;
|
|
}
|
|
else if (c == '.'){
|
|
fsm.state = LS_float;
|
|
}
|
|
else{
|
|
fsm.emit_token = true;
|
|
}
|
|
break;
|
|
|
|
case LS_float:
|
|
if (!(c >= '0' && c <= '9')){
|
|
switch (c){
|
|
case 'e': fsm.state = LS_crazy_float0; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case LS_crazy_float0:
|
|
{
|
|
if ((c >= '0' && c <= '9') || c == '-'){
|
|
fsm.state = LS_crazy_float1;
|
|
}
|
|
else{
|
|
fsm.emit_token = true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case LS_crazy_float1:
|
|
{
|
|
if (!(c >= '0' && c <= '9')){
|
|
fsm.emit_token = true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case LS_hex:
|
|
{
|
|
int is_hex = c >= '0' && c <= '9' || c >= 'a' && c <= 'f' || c >= 'A' && c <= 'F' || c >= 128;
|
|
if (!is_hex){
|
|
fsm.emit_token = true;
|
|
}
|
|
}break;
|
|
|
|
case LS_dot:
|
|
{
|
|
if (c >= '0' && c <= '9'){
|
|
fsm.state = LS_float;
|
|
}
|
|
else{
|
|
switch (c){
|
|
case '.': fsm.state = LS_ellipsis; break;
|
|
case '*': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}
|
|
}break;
|
|
|
|
case LS_ellipsis: fsm.emit_token = true; break;
|
|
|
|
case LS_less:
|
|
{
|
|
switch (c){
|
|
case '<': fsm.state = LS_single_op; break;
|
|
case '=': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_more:
|
|
{
|
|
switch (c){
|
|
case '>': fsm.state = LS_single_op; break;
|
|
case '=': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_comment_pre:
|
|
{
|
|
switch (c){
|
|
case '/': fsm.state = LS_comment; break;
|
|
case '*': fsm.state = LS_comment_block; break;
|
|
case '=': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_comment:
|
|
{
|
|
switch (c){
|
|
case '\\': fsm.state = LS_comment_slashed; break;
|
|
case '\n': fsm.emit_token = true; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_comment_slashed:
|
|
{
|
|
switch (c){
|
|
case '\r': case '\f': case '\v': break;
|
|
default: fsm.state = LS_comment; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_comment_block:
|
|
{
|
|
switch (c){
|
|
case '*': fsm.state = LS_comment_block_ending; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_comment_block_ending:
|
|
{
|
|
switch (c){
|
|
case '*': fsm.state = LS_comment_block_ending; break;
|
|
case '/': fsm.emit_token = true; break;
|
|
default: fsm.state = LS_comment_block; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_minus:
|
|
{
|
|
switch (c){
|
|
case '>': fsm.state = LS_arrow; break;
|
|
case '-': fsm.emit_token = true; break;
|
|
case '=': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_arrow:
|
|
{
|
|
switch (c){
|
|
case '*': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_and:
|
|
switch (c){
|
|
case '&': fsm.emit_token = true; break;
|
|
case '=': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
break;
|
|
|
|
case LS_or:
|
|
{
|
|
switch (c){
|
|
case '|': fsm.emit_token = true; break;
|
|
case '=': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_plus:
|
|
{
|
|
switch (c){
|
|
case '+': fsm.emit_token = true; break;
|
|
case '=': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_colon:
|
|
{
|
|
switch (c){
|
|
case ':': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}break;
|
|
|
|
case LS_single_op:
|
|
{
|
|
switch (c){
|
|
case '=': fsm.emit_token = true; break;
|
|
default: fsm.emit_token = true; break;
|
|
}
|
|
}break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return(fsm);
|
|
}
|
|
|
|
static void
|
|
begin_table(FILE *file, char *type, char *group_name, char *table_name){
|
|
fprintf(file, "%s %s_%s[] = {\n", type, group_name, table_name);
|
|
}
|
|
|
|
static void
|
|
begin_table(FILE *file, char *type, char *table_name){
|
|
fprintf(file, "%s %s[] = {\n", type, table_name);
|
|
}
|
|
|
|
static void
|
|
begin_ptr_table(FILE *file, char *type, char *table_name){
|
|
fprintf(file, "%s * %s[] = {\n", type, table_name);
|
|
}
|
|
|
|
static void
|
|
do_table_item(FILE *file, uint16_t item){
|
|
fprintf(file, "%3d,", (int32_t)item);
|
|
}
|
|
|
|
static void
|
|
do_table_item_binary(FILE *file, uint16_t item){
|
|
if (item == 0){
|
|
fprintf(file, "0x00,");
|
|
}
|
|
else{
|
|
fprintf(file, "%#04x,", item);
|
|
}
|
|
}
|
|
|
|
static void
|
|
do_table_item_direct(FILE *file, char *item, char *tail){
|
|
fprintf(file, "%s%s,", item, tail);
|
|
}
|
|
|
|
static void
|
|
end_row(FILE *file){
|
|
fprintf(file, "\n");
|
|
}
|
|
|
|
static void
|
|
end_table(FILE *file){
|
|
fprintf(file, "};\n\n");
|
|
}
|
|
|
|
typedef struct FSM_Tables{
|
|
u8_4tech *full_transition_table;
|
|
u8_4tech *marks;
|
|
u8_4tech *eq_class;
|
|
u8_4tech *eq_class_rep;
|
|
u8_4tech *reduced_transition_table;
|
|
u8_4tech *flags;
|
|
|
|
u8_4tech eq_class_counter;
|
|
u16_4tech state_count;
|
|
} FSM_Tables;
|
|
|
|
static void
|
|
allocate_full_tables(FSM_Tables *table, uint8_t state_count){
|
|
table->full_transition_table = (uint8_t*)malloc(state_count * 256);
|
|
table->marks = (uint8_t*)malloc(state_count * 256);
|
|
table->eq_class = (uint8_t*)malloc(state_count * 256);
|
|
table->eq_class_rep = (uint8_t*)malloc(state_count * 256);
|
|
table->state_count = state_count;
|
|
block_zero(table->marks, 256);
|
|
}
|
|
|
|
static void
|
|
do_table_reduction(FSM_Tables *table, uint16_t state_count){
|
|
{
|
|
table->eq_class_counter = 0;
|
|
uint8_t *c_line = table->full_transition_table;
|
|
for (uint16_t c = 0; c < 256; ++c){
|
|
if (table->marks[c] == 0){
|
|
table->eq_class[c] = table->eq_class_counter;
|
|
table->eq_class_rep[table->eq_class_counter] = (uint8_t)c;
|
|
uint8_t *c2_line = c_line + state_count;
|
|
for (uint16_t c2 = c + 1; c2 < 256; ++c2){
|
|
if (block_compare(c_line, c2_line, state_count) == 0){
|
|
table->marks[c2] = 1;
|
|
table->eq_class[c2] = table->eq_class_counter;
|
|
}
|
|
c2_line += state_count;
|
|
}
|
|
++table->eq_class_counter;
|
|
}
|
|
c_line += state_count;
|
|
}
|
|
}
|
|
|
|
table->reduced_transition_table = (uint8_t*)malloc(state_count * table->eq_class_counter);
|
|
{
|
|
uint8_t *r_line = table->reduced_transition_table;
|
|
for (uint16_t eq = 0; eq < table->eq_class_counter; ++eq){
|
|
uint8_t *u_line = table->full_transition_table + state_count * table->eq_class_rep[eq];
|
|
block_copy(r_line, u_line, state_count);
|
|
r_line += state_count;
|
|
}
|
|
}
|
|
}
|
|
|
|
static FSM_Tables
|
|
generate_whitespace_skip_table(){
|
|
uint8_t state_count = LSPP_count;
|
|
FSM_Tables table = {0};
|
|
allocate_full_tables(&table, state_count);
|
|
|
|
int32_t i = 0;
|
|
Whitespace_FSM wfsm = {0};
|
|
Whitespace_FSM new_wfsm;
|
|
for (uint16_t c = 0; c < 256; ++c){
|
|
for (uint8_t state = 0; state < state_count; ++state){
|
|
wfsm.pp_state = state;
|
|
wfsm.white_done = 0;
|
|
new_wfsm = whitespace_skip_fsm(wfsm, (uint8_t)c);
|
|
table.full_transition_table[i++] = new_wfsm.pp_state + state_count*new_wfsm.white_done;
|
|
}
|
|
}
|
|
|
|
do_table_reduction(&table, state_count);
|
|
|
|
return(table);
|
|
}
|
|
|
|
static FSM_Tables
|
|
generate_table(u8_4tech state_count, FSM_Function *fsm_call){
|
|
FSM_Tables table = {0};
|
|
allocate_full_tables(&table, state_count);
|
|
|
|
i32_4tech i = 0;
|
|
Cpp_Lex_FSM fsm = {0};
|
|
Cpp_Lex_FSM new_fsm = {0};
|
|
for (uint16_t c = 0; c < 256; ++c){
|
|
for (u8_4tech state = 0; state < state_count; ++state){
|
|
fsm.state = state;
|
|
fsm.emit_token = false;
|
|
new_fsm = fsm_call(fsm, (u8_4tech)c, false);
|
|
table.full_transition_table[i++] = new_fsm.state + state_count*new_fsm.emit_token;
|
|
}
|
|
}
|
|
|
|
for (u8_4tech state = 0; state < state_count; ++state){
|
|
fsm.state = state;
|
|
fsm.emit_token = false;
|
|
fsm.flags = 0;
|
|
new_fsm = fsm_call(fsm, 0, true);
|
|
if (new_fsm.flags != 0){
|
|
if (table.flags == 0){
|
|
table.flags = (u8_4tech*)malloc(state_count);
|
|
memset(table.flags, 0, state_count);
|
|
}
|
|
table.flags[state] = new_fsm.flags;
|
|
}
|
|
}
|
|
|
|
do_table_reduction(&table, state_count);
|
|
|
|
return(table);
|
|
}
|
|
|
|
static FSM_Tables
|
|
generate_fsm_table(uint8_t pp_state, bool32 ignore_string_delims){
|
|
uint8_t state_count = LS_count;
|
|
FSM_Tables table = {0};
|
|
allocate_full_tables(&table, state_count);
|
|
|
|
int32_t i = 0;
|
|
Cpp_Lex_FSM fsm = {0};
|
|
Cpp_Lex_FSM new_fsm = {0};
|
|
for (uint16_t c = 0; c < 256; ++c){
|
|
for (uint8_t state = 0; state < state_count; ++state){
|
|
fsm.state = state;
|
|
fsm.emit_token = false;
|
|
new_fsm = main_fsm(fsm, pp_state, (uint8_t)c, ignore_string_delims);
|
|
table.full_transition_table[i++] = new_fsm.state + state_count*new_fsm.emit_token;
|
|
}
|
|
}
|
|
|
|
do_table_reduction(&table, state_count);
|
|
|
|
return(table);
|
|
}
|
|
|
|
static void
|
|
render_fsm_table(FILE *file, FSM_Tables tables, char *group_name){
|
|
begin_table(file, "u16_4tech", group_name, "eq_classes");
|
|
for (u16_4tech c = 0; c < 256; ++c){
|
|
if ((c % 16) == 0 && c > 0){
|
|
end_row(file);
|
|
}
|
|
do_table_item(file, tables.eq_class[c]*tables.state_count);
|
|
}
|
|
end_row(file);
|
|
end_table(file);
|
|
|
|
fprintf(file, "const i32_4tech num_%s_eq_classes = %d;\n\n", group_name, tables.eq_class_counter);
|
|
|
|
i32_4tech i = 0;
|
|
begin_table(file, "u8_4tech", group_name, "table");
|
|
for (u16_4tech c = 0; c < tables.eq_class_counter; ++c){
|
|
for (u8_4tech state = 0; state < tables.state_count; ++state){
|
|
do_table_item(file, tables.reduced_transition_table[i++]);
|
|
}
|
|
end_row(file);
|
|
}
|
|
end_table(file);
|
|
|
|
if (tables.flags != 0){
|
|
begin_table(file, "u8_4tech", group_name, "flags");
|
|
for (u8_4tech state = 0; state < tables.state_count; ++state){
|
|
if ((state % 4) == 0 && state > 0){
|
|
end_row(file);
|
|
}
|
|
do_table_item_binary(file, tables.flags[state]);
|
|
}
|
|
end_row(file);
|
|
end_table(file);
|
|
}
|
|
}
|
|
|
|
static void
|
|
render_variable(FILE *file, char *type, char *variable, uint32_t x){
|
|
fprintf(file, "%s %s = %d;\n\n", type, variable, x);
|
|
}
|
|
|
|
static void
|
|
render_comment(FILE *file, char *comment){
|
|
fprintf(file, "/*\n%s*/\n", comment);
|
|
}
|
|
|
|
typedef struct PP_Names{
|
|
uint8_t pp_state;
|
|
char *name;
|
|
bool32 ignore_string_delims;
|
|
} PP_Names;
|
|
|
|
static PP_Names pp_names[] = {
|
|
{LSPP_default, "main_fsm", false},
|
|
{LSPP_include, "pp_include_fsm", false},
|
|
{LSPP_macro_identifier, "pp_macro_fsm", false},
|
|
{LSPP_identifier, "pp_identifier_fsm", false},
|
|
{LSPP_body_if, "pp_body_if_fsm", false},
|
|
{LSPP_body, "pp_body_fsm", false},
|
|
{LSPP_number, "pp_number_fsm", false},
|
|
{LSPP_error, "pp_error_fsm", false},
|
|
{LSPP_junk, "pp_junk_fsm", false},
|
|
{LSPP_default, "no_string_fsm", true },
|
|
};
|
|
|
|
int
|
|
main(){
|
|
FILE *file = fopen(LEXER_TABLE_FILE, "wb");
|
|
|
|
FSM_Tables wtables = generate_whitespace_skip_table();
|
|
render_fsm_table(file, wtables, "whitespace_fsm");
|
|
|
|
FSM_Tables itables = generate_table(LSINT_count, int_fsm);
|
|
render_fsm_table(file, itables, "int_fsm");
|
|
|
|
{
|
|
struct{
|
|
char *name;
|
|
uint8_t count;
|
|
FSM_Function *fsm_call;
|
|
} static tables[] = {
|
|
{"raw_str", LSSTR_count, raw_str_fsm },
|
|
{"normal_str", LSSTR_count, normal_str_fsm },
|
|
{"include_str", LSSTR_include_count, include_str_fsm },
|
|
{"normal_char", LSSTR_count, normal_char_fsm }
|
|
};
|
|
|
|
for (u32_4tech i = 0; i < ArrayCount(tables); ++i){
|
|
FSM_Tables str_tables = generate_table(tables[i].count, tables[i].fsm_call);
|
|
render_fsm_table(file, str_tables, tables[i].name);
|
|
}
|
|
}
|
|
|
|
for (int32_t i = 0; i < ArrayCount(pp_names); ++i){
|
|
FSM_Tables tables = generate_fsm_table(pp_names[i].pp_state, pp_names[i].ignore_string_delims);
|
|
render_fsm_table(file, tables, pp_names[i].name);
|
|
}
|
|
|
|
begin_ptr_table(file, "uint16_t", "get_eq_classes");
|
|
for (int32_t i = 0; i < ArrayCount(pp_names); ++i){
|
|
do_table_item_direct(file, pp_names[i].name, "_eq_classes");
|
|
end_row(file);
|
|
}
|
|
end_table(file);
|
|
|
|
begin_ptr_table(file, "uint8_t", "get_table");
|
|
for (int32_t i = 0; i < ArrayCount(pp_names); ++i){
|
|
do_table_item_direct(file, pp_names[i].name, "_table");
|
|
end_row(file);
|
|
}
|
|
end_table(file);
|
|
|
|
fclose(file);
|
|
return(0);
|
|
}
|
|
|
|
// BOTTOM
|
|
|
|
|