parser eats the example program
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1
.gitignore
vendored
1
.gitignore
vendored
@ -6,3 +6,4 @@ eaxhla
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eaxcc
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.gdb_history
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*.pp
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library/tommyds/
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4
Makefile
4
Makefile
@ -62,8 +62,8 @@ bootstrap:
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./library/bootstrap.sh
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test: ${OUT}
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fcpp -C -LL debug/xop.eax > debug/xop.eax.pp
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${WRAP} ./${OUT} debug/xop.eax.pp
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#fcpp -C -LL debug/xop.eax > debug/xop.eax.pp
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${WRAP} ./${OUT} debug/xop.eax
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clean:
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-rm ${OUT} ${OBJECT} ${GENOBJECT} ${GENSOURCE}
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@ -6,7 +6,7 @@
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* It is distributed in the hope that it will be useful or harmful, it really depends... But no warranty what so ever, seriously. See GNU/GPLv3.
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*/
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#include <xolatile/xtandard.eax>
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/* #include <xolatile/xtandard.eax> */
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fast
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procedure highlight
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@ -37,16 +37,16 @@ end procedure
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unix
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program xop
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s32 file = -1;
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s32 size = 0;
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s32 offset = 0;
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s32 file = -1
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s32 size = 0
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s32 offset = 0
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u8 buffer = NULL;
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u8 buffer = 0
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begin
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if
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/* argc != 2 */
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then
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fatal_failure(1, "xop: xop input")
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fastcall fatal_failure 1 "xop: xop input"
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end if
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fastcall file_open [argv + 1] O_RDONLY
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@ -1,15 +1,24 @@
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%{
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#include <stdlib.h>
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#include "eaxhla.tab.h"
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char * string_literal_buffer;
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int string_litral_buffer_size = 0;
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int string_litral_buffer_capacity = 128;
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#define YY_USER_INIT \
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string_literal_buffer = malloc(128);
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%}
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%option noyywrap
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identifier [A-Za-z_][A-z0-9_]*
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identifier [A-Za-z_][A-Za-z0-9_]*
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wsnl [ \t\r\v\f\n]
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hex [0123456789abcdef]
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uhex [0123456789ABCDEF]
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%x IN_COMMENT IN_MULTILINE_COMMENT
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%x IN_STRING
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// XXX: ?!
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%x IN_DECLARE
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@ -49,6 +58,7 @@ unix{wsnl}+ { return UNIX; }
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\$rip{wsnl}+ { return RIP; }
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in{wsnl}+ { return TIN; }
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\= { return '='; }
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s8{wsnl}+ { return S8; }
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s16{wsnl}+ { return S16; }
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@ -78,6 +88,25 @@ u64{wsnl}+ { return U64; }
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return LITERAL;
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}
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\" { BEGIN IN_STRING; }
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<IN_STRING>{
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/* XXX: escapes */
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\" {
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BEGIN INITIAL;
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yylval.strval = strdup(string_literal_buffer);
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return LITERAL;
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}
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. {
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string_litral_buffer_size += yyleng;
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if (string_litral_buffer_size > string_litral_buffer_capacity) {
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string_litral_buffer_capacity *= 2;
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realloc(string_literal_buffer, string_litral_buffer_capacity);
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}
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memcpy(string_literal_buffer + string_litral_buffer_size, yytext, yyleng);
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}
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}
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xor{wsnl}+ { return TXOR; }
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inc{wsnl}+ { return TINC; }
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@ -106,6 +135,8 @@ fastcall{wsnl}+ { return FASTCALL; }
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{identifier}{wsnl}+ { yylval.strval = strdup(yytext); return IDENTIFIER; }
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. { yyerror(); }
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%%
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void set_state(int state) {
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@ -121,4 +152,6 @@ void yyfree_leftovers(void) {
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for (size_t i = 0; i < yy_buffer_stack_max; i++) {
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free(yy_buffer_stack[i]);
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}
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free(string_literal_buffer);
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}
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@ -109,6 +109,7 @@ declaration_section: %empty
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;
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declaration: origin type IDENTIFIER { $2.name = $3; /* add_var($1); */ free($3); }
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| origin type IDENTIFIER '=' LITERAL { $2.name = $3; /* add_var($1); */ free($3); }
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;
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origin: %empty
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