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Implement infrastructure around new lexer

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The lexer itself is very much incomplete, but this is intended to be a
safe point to revert to should further implementation go south.
This commit is contained in:
ISSOtm
2020-07-23 12:12:58 +02:00
parent 3a44cc7722
commit 6dc4ce6599
15 changed files with 497 additions and 1586 deletions
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92
src/asm/main.c
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@@ -6,6 +6,7 @@
* SPDX-License-Identifier: MIT
*/
#include <ctype.h>
#include <errno.h>
#include <float.h>
#include <inttypes.h>
@@ -41,10 +42,6 @@ char **cldefines;
clock_t nStartClock, nEndClock;
uint32_t nTotalLines, nIFDepth;
bool skipElif;
uint32_t unionStart[128], unionSize[128];
int32_t nLineNo;
#if defined(YYDEBUG) && YYDEBUG
extern int yydebug;
@@ -76,64 +73,8 @@ struct sOptionStackEntry *pOptionStack;
void opt_SetCurrentOptions(struct sOptions *pOpt)
{
if (nGBGfxID != -1) {
lex_FloatDeleteRange(nGBGfxID, CurrentOptions.gbgfx[0],
CurrentOptions.gbgfx[0]);
lex_FloatDeleteRange(nGBGfxID, CurrentOptions.gbgfx[1],
CurrentOptions.gbgfx[1]);
lex_FloatDeleteRange(nGBGfxID, CurrentOptions.gbgfx[2],
CurrentOptions.gbgfx[2]);
lex_FloatDeleteRange(nGBGfxID, CurrentOptions.gbgfx[3],
CurrentOptions.gbgfx[3]);
lex_FloatDeleteSecondRange(nGBGfxID, CurrentOptions.gbgfx[0],
CurrentOptions.gbgfx[0]);
lex_FloatDeleteSecondRange(nGBGfxID, CurrentOptions.gbgfx[1],
CurrentOptions.gbgfx[1]);
lex_FloatDeleteSecondRange(nGBGfxID, CurrentOptions.gbgfx[2],
CurrentOptions.gbgfx[2]);
lex_FloatDeleteSecondRange(nGBGfxID, CurrentOptions.gbgfx[3],
CurrentOptions.gbgfx[3]);
}
if (nBinaryID != -1) {
lex_FloatDeleteRange(nBinaryID, CurrentOptions.binary[0],
CurrentOptions.binary[0]);
lex_FloatDeleteRange(nBinaryID, CurrentOptions.binary[1],
CurrentOptions.binary[1]);
lex_FloatDeleteSecondRange(nBinaryID, CurrentOptions.binary[0],
CurrentOptions.binary[0]);
lex_FloatDeleteSecondRange(nBinaryID, CurrentOptions.binary[1],
CurrentOptions.binary[1]);
}
CurrentOptions = *pOpt;
if (nGBGfxID != -1) {
lex_FloatAddRange(nGBGfxID, CurrentOptions.gbgfx[0],
CurrentOptions.gbgfx[0]);
lex_FloatAddRange(nGBGfxID, CurrentOptions.gbgfx[1],
CurrentOptions.gbgfx[1]);
lex_FloatAddRange(nGBGfxID, CurrentOptions.gbgfx[2],
CurrentOptions.gbgfx[2]);
lex_FloatAddRange(nGBGfxID, CurrentOptions.gbgfx[3],
CurrentOptions.gbgfx[3]);
lex_FloatAddSecondRange(nGBGfxID, CurrentOptions.gbgfx[0],
CurrentOptions.gbgfx[0]);
lex_FloatAddSecondRange(nGBGfxID, CurrentOptions.gbgfx[1],
CurrentOptions.gbgfx[1]);
lex_FloatAddSecondRange(nGBGfxID, CurrentOptions.gbgfx[2],
CurrentOptions.gbgfx[2]);
lex_FloatAddSecondRange(nGBGfxID, CurrentOptions.gbgfx[3],
CurrentOptions.gbgfx[3]);
}
if (nBinaryID != -1) {
lex_FloatAddRange(nBinaryID, CurrentOptions.binary[0],
CurrentOptions.binary[0]);
lex_FloatAddRange(nBinaryID, CurrentOptions.binary[1],
CurrentOptions.binary[1]);
lex_FloatAddSecondRange(nBinaryID, CurrentOptions.binary[0],
CurrentOptions.binary[0]);
lex_FloatAddSecondRange(nBinaryID, CurrentOptions.binary[1],
CurrentOptions.binary[1]);
}
/* TODO */
(void)pOpt;
}
void opt_Parse(char *s)
@@ -251,6 +192,22 @@ static void opt_ParseDefines(void)
sym_AddString(cldefines[i], cldefines[i + 1]);
}
void upperstring(char *s)
{
while (*s) {
*s = toupper(*s);
s++;
}
}
void lowerstring(char *s)
{
while (*s) {
*s = tolower(*s);
s++;
}
}
/* Escapes Make-special chars from a string */
static char *make_escape(const char *str)
{
@@ -516,8 +473,6 @@ int main(int argc, char *argv[])
tzMainfile = argv[argc - 1];
setup_lexer();
if (verbose)
printf("Assembling %s\n", tzMainfile);
@@ -530,17 +485,20 @@ int main(int argc, char *argv[])
nStartClock = clock();
nLineNo = 1;
nTotalLines = 0;
nIFDepth = 0;
skipElif = true;
sym_Init();
sym_SetExportAll(exportall);
fstk_Init(tzMainfile);
struct LexerState *state = lexer_OpenFile(tzMainfile);
if (!state)
fatalerror("Failed to open main file!");
lexer_SetState(state);
opt_ParseDefines();
charmap_New("main", NULL);
yy_set_state(LEX_STATE_NORMAL);
opt_SetCurrentOptions(&DefaultOptions);
if (yyparse() != 0 || nbErrors != 0)