mr4th-public
/
4coder
1
Fork 0
Code Issues Releases Activity

more lexer improvements

master
Allen Webster 2016-08-30 18:04:57 -04:00
parent c645b9a57b
commit c6b6203e53
1 changed files with 455 additions and 497 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

938
4cpp_lexer.h
View File

@ -251,13 +251,6 @@ cpp_shift_token_starts(Cpp_Token_Stack *stack, int32_t from_token_i, int32_t shi
} }
} }
#if 0
enum Pos_Update_Rule{
PUR_none,
PUR_back_one,
};
#endif
FCPP_LINK Lex_PP_State FCPP_LINK Lex_PP_State
cpp_pp_directive_to_state(Cpp_Token_Type type){ cpp_pp_directive_to_state(Cpp_Token_Type type){
Lex_PP_State result = LSPP_default; Lex_PP_State result = LSPP_default;
@ -478,525 +471,490 @@ cpp_lex_nonalloc(Lex_Data *S_ptr,
S.completed = 1; S.completed = 1;
} }
if (S.fsm.state >= LS_count) S.fsm.state -= LS_count; if (S.fsm.state >= LS_count){
//pos_update_rule = PUR_none; S.fsm.state -= LS_count;
#if 0
if (S.pp_state == LSPP_include){
if (c == 0) S.fsm.emit_token = 0;
switch (S.fsm.state){
case LSINC_default:break;
case LSINC_quotes:
case LSINC_pointy:
S.token.type = CPP_TOKEN_INCLUDE_FILE;
S.token.flags = 0;
break;
case LSINC_junk:
S.token.type = CPP_TOKEN_JUNK;
S.token.flags = 0;
break;
}
} }
else{}
#endif
{ switch (S.fsm.state){
switch (S.fsm.state){ case LS_default:
case LS_default: switch (c){
switch (c){ case 0: S.fsm.emit_token = 0; break;
case 0: S.fsm.emit_token = 0; break;
#define OperCase(op,t) case op: S.token.type = t; break; #define OperCase(op,t) case op: S.token.type = t; break;
OperCase('{', CPP_TOKEN_BRACE_OPEN); OperCase('{', CPP_TOKEN_BRACE_OPEN);
OperCase('}', CPP_TOKEN_BRACE_CLOSE); OperCase('}', CPP_TOKEN_BRACE_CLOSE);
OperCase('[', CPP_TOKEN_BRACKET_OPEN); OperCase('[', CPP_TOKEN_BRACKET_OPEN);
OperCase(']', CPP_TOKEN_BRACKET_CLOSE); OperCase(']', CPP_TOKEN_BRACKET_CLOSE);
OperCase('(', CPP_TOKEN_PARENTHESE_OPEN); OperCase('(', CPP_TOKEN_PARENTHESE_OPEN);
OperCase(')', CPP_TOKEN_PARENTHESE_CLOSE); OperCase(')', CPP_TOKEN_PARENTHESE_CLOSE);
OperCase('~', CPP_TOKEN_TILDE); OperCase('~', CPP_TOKEN_TILDE);
OperCase(',', CPP_TOKEN_COMMA); OperCase(',', CPP_TOKEN_COMMA);
OperCase(';', CPP_TOKEN_SEMICOLON); OperCase(';', CPP_TOKEN_SEMICOLON);
OperCase('?', CPP_TOKEN_TERNARY_QMARK); OperCase('?', CPP_TOKEN_TERNARY_QMARK);
OperCase('@', CPP_TOKEN_JUNK); OperCase('@', CPP_TOKEN_JUNK);
#undef OperCase #undef OperCase
case '\\': case '\\':
if (S.pp_state == LSPP_default){ if (S.pp_state == LSPP_default){
S.token.type = CPP_TOKEN_JUNK;
}
else{
S.pos_overide = S.pos;
S.white_done = 0;
for (;;){
for (; S.white_done == 0 && S.pos < end_pos;){
c = chunk[S.pos++];
if (!(c == ' ' || c == '\t' || c == '\r' || c == '\v' || c == '\f')){
S.white_done = 1;
}
}
if (S.white_done == 0){
S.chunk_pos += size;
DrYield(1, LexNeedChunk);
}
else break;
}
if (c == '\n'){
S.fsm.emit_token = 0;
S.pos_overide = 0;
}
else{
S.token.type = CPP_TOKEN_JUNK;
}
}
break;
}
if (c != '@' && c != '\\'){
S.token.flags = CPP_TFLAG_IS_OPERATOR;
}
break;
case LS_identifier:
{
--S.pos;
int32_t word_size = S.pos - S.token_start;
if (S.pp_state == LSPP_body_if){
if (match_ss(make_string(S.tb, word_size), make_lit_string("defined"))){
S.token.type = CPP_TOKEN_DEFINED;
S.token.flags = CPP_TFLAG_IS_OPERATOR | CPP_TFLAG_IS_KEYWORD;
break;
}
}
int32_t sub_match = sub_match_list(S.tb, S.tb_pos, keywords, word_size);
if (sub_match != -1){
String_And_Flag data = keywords.data[sub_match];
S.token.type = (Cpp_Token_Type)data.flags;
S.token.flags = CPP_TFLAG_IS_KEYWORD;
}
else{
S.token.type = CPP_TOKEN_IDENTIFIER;
S.token.flags = 0;
}
}break;
case LS_pound:
S.token.flags = 0;
switch (c){
case '#': S.token.type = CPP_PP_CONCAT; break;
default:
S.token.type = CPP_PP_STRINGIFY;
--S.pos;
break;
}
break;
case LS_pp:
{
S.token.type = CPP_TOKEN_JUNK; S.token.type = CPP_TOKEN_JUNK;
S.token.flags = 0;
--S.pos;
}break;
case LS_ppdef:
{
--S.pos;
int32_t word_size = S.pos - S.token_start;
int32_t pos = S.tb_pos-1;
int32_t i = 1;
for (;i < pos; ++i){
if (S.tb[i] != ' '){
break;
}
}
int32_t sub_match = sub_match_list(S.tb+i, pos-i, preprops, word_size);
if (sub_match != -1){
String_And_Flag data = preprops.data[sub_match];
S.token.type = (Cpp_Token_Type)data.flags;
S.token.flags = CPP_TFLAG_PP_DIRECTIVE;
S.pp_state = (unsigned char)cpp_pp_directive_to_state(S.token.type);
}
else{
S.token.type = CPP_TOKEN_JUNK;
S.token.flags = 0;
}
}break;
case LS_number:
case LS_number0:
case LS_hex:
S.fsm.int_state = LSINT_default;
S.fsm.emit_token = 0;
--S.pos;
for (;;){
for (; S.fsm.int_state < LSINT_count && S.pos < end_pos;){
c = chunk[S.pos++];
S.fsm.int_state = int_fsm_table[S.fsm.int_state + int_fsm_eq_classes[c]];
}
S.fsm.emit_token = (S.fsm.int_state >= LSINT_count);
if (S.fsm.emit_token == 0){
S.chunk_pos += size;
DrYield(5, LexNeedChunk);
}
else break;
}
--S.pos;
S.token.type = CPP_TOKEN_INTEGER_CONSTANT;
S.token.flags = 0;
break;
case LS_float:
case LS_crazy_float0:
case LS_crazy_float1:
S.token.type = CPP_TOKEN_FLOATING_CONSTANT;
S.token.flags = 0;
switch (c){
case 'f': case 'F':
case 'l': case 'L':break;
default:
--S.pos;
break;
}
break;
case LS_char:
case LS_char_slashed:
S.token.type = CPP_TOKEN_JUNK;
if (c == '\''){
S.token.type = CPP_TOKEN_CHARACTER_CONSTANT;
}
S.token.flags = 0;
break;
case LS_char_multiline:
S.token.type = CPP_TOKEN_JUNK;
if (c == '\''){
S.token.type = CPP_TOKEN_CHARACTER_CONSTANT;
}
S.token.flags = CPP_TFLAG_MULTILINE;
break;
case LS_string:
case LS_string_slashed:
S.token.type = CPP_TOKEN_JUNK;
if (S.pp_state == LSPP_include){
if (c == '>' || c == '"'){
S.token.type = CPP_TOKEN_INCLUDE_FILE;
}
} }
else{ else{
if (c == '"'){ S.pos_overide = S.pos;
S.token.type = CPP_TOKEN_STRING_CONSTANT; S.white_done = 0;
for (;;){
for (; S.white_done == 0 && S.pos < end_pos;){
c = chunk[S.pos++];
if (!(c == ' ' || c == '\t' || c == '\r' || c == '\v' || c == '\f')){
S.white_done = 1;
}
}
if (S.white_done == 0){
S.chunk_pos += size;
DrYield(1, LexNeedChunk);
}
else break;
}
if (c == '\n'){
S.fsm.emit_token = 0;
S.pos_overide = 0;
}
else{
S.token.type = CPP_TOKEN_JUNK;
} }
} }
S.token.flags = 0;
break; break;
}
case LS_string_multiline: if (c != '@' && c != '\\'){
S.token.flags = CPP_TFLAG_IS_OPERATOR;
}
break;
case LS_identifier:
{
--S.pos;
int32_t word_size = S.pos - S.token_start;
if (S.pp_state == LSPP_body_if){
if (match_ss(make_string(S.tb, word_size), make_lit_string("defined"))){
S.token.type = CPP_TOKEN_DEFINED;
S.token.flags = CPP_TFLAG_IS_OPERATOR | CPP_TFLAG_IS_KEYWORD;
break;
}
}
int32_t sub_match = sub_match_list(S.tb, S.tb_pos, keywords, word_size);
if (sub_match != -1){
String_And_Flag data = keywords.data[sub_match];
S.token.type = (Cpp_Token_Type)data.flags;
S.token.flags = CPP_TFLAG_IS_KEYWORD;
}
else{
S.token.type = CPP_TOKEN_IDENTIFIER;
S.token.flags = 0;
}
}break;
case LS_pound:
S.token.flags = 0;
switch (c){
case '#': S.token.type = CPP_PP_CONCAT; break;
default:
S.token.type = CPP_PP_STRINGIFY;
--S.pos;
break;
}
break;
case LS_pp:
{
S.token.type = CPP_TOKEN_JUNK; S.token.type = CPP_TOKEN_JUNK;
S.token.flags = 0;
--S.pos;
}break;
case LS_ppdef:
{
--S.pos;
int32_t word_size = S.pos - S.token_start;
int32_t pos = S.tb_pos-1;
int32_t i = 1;
for (;i < pos; ++i){
if (S.tb[i] != ' '){
break;
}
}
int32_t sub_match = sub_match_list(S.tb+i, pos-i, preprops, word_size);
if (sub_match != -1){
String_And_Flag data = preprops.data[sub_match];
S.token.type = (Cpp_Token_Type)data.flags;
S.token.flags = CPP_TFLAG_PP_DIRECTIVE;
S.pp_state = (unsigned char)cpp_pp_directive_to_state(S.token.type);
}
else{
S.token.type = CPP_TOKEN_JUNK;
S.token.flags = 0;
}
}break;
case LS_number:
case LS_number0:
case LS_hex:
S.fsm.int_state = LSINT_default;
S.fsm.emit_token = 0;
--S.pos;
for (;;){
for (; S.fsm.int_state < LSINT_count && S.pos < end_pos;){
c = chunk[S.pos++];
S.fsm.int_state = int_fsm_table[S.fsm.int_state + int_fsm_eq_classes[c]];
}
S.fsm.emit_token = (S.fsm.int_state >= LSINT_count);
if (S.fsm.emit_token == 0){
S.chunk_pos += size;
DrYield(5, LexNeedChunk);
}
else break;
}
--S.pos;
S.token.type = CPP_TOKEN_INTEGER_CONSTANT;
S.token.flags = 0;
break;
case LS_float:
case LS_crazy_float0:
case LS_crazy_float1:
S.token.type = CPP_TOKEN_FLOATING_CONSTANT;
S.token.flags = 0;
switch (c){
case 'f': case 'F':
case 'l': case 'L':break;
default:
--S.pos;
break;
}
break;
case LS_char:
case LS_char_slashed:
S.token.type = CPP_TOKEN_JUNK;
if (c == '\''){
S.token.type = CPP_TOKEN_CHARACTER_CONSTANT;
}
S.token.flags = 0;
break;
case LS_char_multiline:
S.token.type = CPP_TOKEN_JUNK;
if (c == '\''){
S.token.type = CPP_TOKEN_CHARACTER_CONSTANT;
}
S.token.flags = CPP_TFLAG_MULTILINE;
break;
case LS_string:
case LS_string_slashed:
S.token.type = CPP_TOKEN_JUNK;
if (S.pp_state == LSPP_include){
if (c == '>' || c == '"'){
S.token.type = CPP_TOKEN_INCLUDE_FILE;
}
}
else{
if (c == '"'){ if (c == '"'){
S.token.type = CPP_TOKEN_STRING_CONSTANT; S.token.type = CPP_TOKEN_STRING_CONSTANT;
} }
S.token.flags = CPP_TFLAG_MULTILINE; }
break; S.token.flags = 0;
break;
case LS_comment_pre: case LS_string_multiline:
S.token.flags = CPP_TFLAG_IS_OPERATOR; S.token.type = CPP_TOKEN_JUNK;
switch (c){ if (c == '"'){
case '=': S.token.type = CPP_TOKEN_DIVEQ; break; S.token.type = CPP_TOKEN_STRING_CONSTANT;
default: }
S.token.type = CPP_TOKEN_DIV; S.token.flags = CPP_TFLAG_MULTILINE;
--S.pos; break;
break;
}
break;
case LS_comment: case LS_comment_pre:
case LS_comment_slashed: S.token.flags = CPP_TFLAG_IS_OPERATOR;
S.token.type = CPP_TOKEN_COMMENT; switch (c){
S.token.flags = 0; case '=': S.token.type = CPP_TOKEN_DIVEQ; break;
default:
S.token.type = CPP_TOKEN_DIV;
--S.pos; --S.pos;
break; break;
case LS_comment_block:
case LS_comment_block_ending:
S.token.type = CPP_TOKEN_COMMENT;
S.token.flags = 0;
break;
case LS_error_message:
S.token.type = CPP_TOKEN_ERROR_MESSAGE;
S.token.flags = 0;
--S.pos;
break;
case LS_dot:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '*': S.token.type = CPP_TOKEN_PTRDOT; break;
default:
S.token.type = CPP_TOKEN_DOT;
--S.pos;
break;
}
break;
case LS_ellipsis:
switch (c){
case '.':
S.token.flags = CPP_TFLAG_IS_OPERATOR;
S.token.type = CPP_TOKEN_ELLIPSIS;
break;
default:
S.token.type = CPP_TOKEN_JUNK;
--S.pos;
break;
}
break;
case LS_less:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_LESSEQ; break;
default:
S.token.type = CPP_TOKEN_LESS;
--S.pos;
break;
}
break;
case LS_less_less:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_LSHIFTEQ; break;
default:
S.token.type = CPP_TOKEN_LSHIFT;
--S.pos;
break;
}
break;
case LS_more:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_GRTREQ; break;
default:
S.token.type = CPP_TOKEN_GRTR;
--S.pos;
break;
}
break;
case LS_more_more:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_RSHIFTEQ; break;
default:
S.token.type = CPP_TOKEN_RSHIFT;
--S.pos;
break;
}
break;
case LS_minus:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '-': S.token.type = CPP_TOKEN_DECREMENT; break;
case '=': S.token.type = CPP_TOKEN_SUBEQ; break;
default:
S.token.type = CPP_TOKEN_MINUS;
--S.pos;
break;
}
break;
case LS_arrow:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '*': S.token.type = CPP_TOKEN_PTRARROW; break;
default:
S.token.type = CPP_TOKEN_ARROW;
--S.pos;
break;
}
break;
case LS_and:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '&': S.token.type = CPP_TOKEN_AND; break;
case '=': S.token.type = CPP_TOKEN_ANDEQ; break;
default:
S.token.type = CPP_TOKEN_AMPERSAND;
--S.pos;
break;
}
break;
case LS_or:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '|': S.token.type = CPP_TOKEN_OR; break;
case '=': S.token.type = CPP_TOKEN_OREQ; break;
default:
S.token.type = CPP_TOKEN_BIT_OR;
--S.pos;
break;
}
break;
case LS_plus:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '+': S.token.type = CPP_TOKEN_INCREMENT; break;
case '=': S.token.type = CPP_TOKEN_ADDEQ; break;
default:
S.token.type = CPP_TOKEN_PLUS;
--S.pos;
break;
}
break;
case LS_colon:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case ':': S.token.type = CPP_TOKEN_SCOPE; break;
default:
S.token.type = CPP_TOKEN_COLON;
--S.pos;
break;
}
break;
case LS_star:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_MULEQ; break;
default:
S.token.type = CPP_TOKEN_STAR;
--S.pos;
break;
}
break;
case LS_modulo:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_MODEQ; break;
default:
S.token.type = CPP_TOKEN_MOD;
--S.pos;
break;
}
break;
case LS_caret:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_XOREQ; break;
default:
S.token.type = CPP_TOKEN_BIT_XOR;
--S.pos;
break;
}
break;
case LS_eq:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_EQEQ; break;
default:
S.token.type = CPP_TOKEN_EQ;
--S.pos;
break;
}
break;
case LS_bang:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_NOTEQ; break;
default:
S.token.type = CPP_TOKEN_NOT;
--S.pos;
break;
}
break;
} }
break;
#if 0 case LS_comment:
switch (pos_update_rule){ case LS_comment_slashed:
case PUR_back_one: S.token.type = CPP_TOKEN_COMMENT;
S.token.flags = 0;
--S.pos;
break;
case LS_comment_block:
case LS_comment_block_ending:
S.token.type = CPP_TOKEN_COMMENT;
S.token.flags = 0;
break;
case LS_error_message:
S.token.type = CPP_TOKEN_ERROR_MESSAGE;
S.token.flags = 0;
--S.pos;
break;
case LS_dot:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '*': S.token.type = CPP_TOKEN_PTRDOT; break;
default:
S.token.type = CPP_TOKEN_DOT;
--S.pos; --S.pos;
break; break;
}
break;
case LS_ellipsis:
switch (c){
case '.':
S.token.flags = CPP_TFLAG_IS_OPERATOR;
S.token.type = CPP_TOKEN_ELLIPSIS;
break;
default: default:
if (chunk[S.pos-1] == 0){ S.token.type = CPP_TOKEN_JUNK;
--S.pos; --S.pos;
break;
}
break;
case LS_less:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_LESSEQ; break;
default:
S.token.type = CPP_TOKEN_LESS;
--S.pos;
break;
}
break;
case LS_less_less:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_LSHIFTEQ; break;
default:
S.token.type = CPP_TOKEN_LSHIFT;
--S.pos;
break;
}
break;
case LS_more:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_GRTREQ; break;
default:
S.token.type = CPP_TOKEN_GRTR;
--S.pos;
break;
}
break;
case LS_more_more:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_RSHIFTEQ; break;
default:
S.token.type = CPP_TOKEN_RSHIFT;
--S.pos;
break;
}
break;
case LS_minus:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '-': S.token.type = CPP_TOKEN_DECREMENT; break;
case '=': S.token.type = CPP_TOKEN_SUBEQ; break;
default:
S.token.type = CPP_TOKEN_MINUS;
--S.pos;
break;
}
break;
case LS_arrow:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '*': S.token.type = CPP_TOKEN_PTRARROW; break;
default:
S.token.type = CPP_TOKEN_ARROW;
--S.pos;
break;
}
break;
case LS_and:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '&': S.token.type = CPP_TOKEN_AND; break;
case '=': S.token.type = CPP_TOKEN_ANDEQ; break;
default:
S.token.type = CPP_TOKEN_AMPERSAND;
--S.pos;
break;
}
break;
case LS_or:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '|': S.token.type = CPP_TOKEN_OR; break;
case '=': S.token.type = CPP_TOKEN_OREQ; break;
default:
S.token.type = CPP_TOKEN_BIT_OR;
--S.pos;
break;
}
break;
case LS_plus:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '+': S.token.type = CPP_TOKEN_INCREMENT; break;
case '=': S.token.type = CPP_TOKEN_ADDEQ; break;
default:
S.token.type = CPP_TOKEN_PLUS;
--S.pos;
break;
}
break;
case LS_colon:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case ':': S.token.type = CPP_TOKEN_SCOPE; break;
default:
S.token.type = CPP_TOKEN_COLON;
--S.pos;
break;
}
break;
case LS_star:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_MULEQ; break;
default:
S.token.type = CPP_TOKEN_STAR;
--S.pos;
break;
}
break;
case LS_modulo:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_MODEQ; break;
default:
S.token.type = CPP_TOKEN_MOD;
--S.pos;
break;
}
break;
case LS_caret:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_XOREQ; break;
default:
S.token.type = CPP_TOKEN_BIT_XOR;
--S.pos;
break;
}
break;
case LS_eq:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_EQEQ; break;
default:
S.token.type = CPP_TOKEN_EQ;
--S.pos;
break;
}
break;
case LS_bang:
S.token.flags = CPP_TFLAG_IS_OPERATOR;
switch (c){
case '=': S.token.type = CPP_TOKEN_NOTEQ; break;
default:
S.token.type = CPP_TOKEN_NOT;
--S.pos;
break;
}
break;
}
if (chunk[S.pos-1] == 0){
--S.pos;
}
if ((S.token.flags & CPP_TFLAG_PP_DIRECTIVE) == 0){
switch (S.pp_state){
case LSPP_macro_identifier:
if (S.fsm.state != LS_identifier){
S.token.type = CPP_TOKEN_JUNK;
S.pp_state = LSPP_junk;
}
else{
S.pp_state = LSPP_body;
}
break;
case LSPP_identifier:
if (S.fsm.state != LS_identifier){
S.token.type = CPP_TOKEN_JUNK;
}
S.pp_state = LSPP_junk;
break;
case LSPP_number:
if (S.token.type != CPP_TOKEN_INTEGER_CONSTANT){
S.token.type = CPP_TOKEN_JUNK;
S.pp_state = LSPP_junk;
}
else{
S.pp_state = LSPP_include;
}
break;
case LSPP_junk:
if (S.token.type != CPP_TOKEN_COMMENT){
S.token.type = CPP_TOKEN_JUNK;
} }
break; break;
} }
#else
if (chunk[S.pos-1] == 0){
--S.pos;
}
#endif
if ((S.token.flags & CPP_TFLAG_PP_DIRECTIVE) == 0){
switch (S.pp_state){
case LSPP_macro_identifier:
if (S.fsm.state != LS_identifier){
S.token.type = CPP_TOKEN_JUNK;
S.pp_state = LSPP_junk;
}
else{
S.pp_state = LSPP_body;
}
break;
case LSPP_identifier:
if (S.fsm.state != LS_identifier){
S.token.type = CPP_TOKEN_JUNK;
}
S.pp_state = LSPP_junk;
break;
case LSPP_number:
if (S.token.type != CPP_TOKEN_INTEGER_CONSTANT){
S.token.type = CPP_TOKEN_JUNK;
S.pp_state = LSPP_junk;
}
else{
S.pp_state = LSPP_include;
}
break;
case LSPP_junk:
S.token.type = CPP_TOKEN_JUNK;
break;
}
}
} }
if (S.fsm.emit_token){ if (S.fsm.emit_token){
S.token.start = S.token_start; S.token.start = S.token_start;
if (S.pos_overide){ if (S.pos_overide){