Files
solstice/src/wasm_main.c

82 lines
2.2 KiB
C

#include <emscripten.h>
#include <stdio.h>
#include <string.h>
#include <setjmp.h>
#include "lexer/lexer.h"
#include "typeparser/typeparser.h"
#include "parser/parser.h"
#include "codegen/codegen.h"
#include <groundvm.h>
static char out_buf[65536];
static int out_pos = 0;
// Defined by Ground
void wasm_print(const char* str);
EMSCRIPTEN_KEEPALIVE
const char* solstice_run(char* source) {
out_pos = 0;
out_buf[0] = '\0';
// 1. Lex
ResultType(SolsLexer, charptr) lexer = createLexer(source);
if (lexer.error) {
snprintf(out_buf, sizeof(out_buf),
"[lex error] %s", lexer.as.error);
return out_buf;
}
ResultType(Nothing, charptr) lexed = lex(&lexer.as.success);
if (lexed.error) {
snprintf(out_buf, sizeof(out_buf), "%s", lexed.as.error);
return out_buf;
}
// 2. Type parse
ResultType(SolsTokens, charptr) typed = addTypeInfo(&lexer.as.success.output);
if (typed.error) {
snprintf(out_buf, sizeof(out_buf), "%s", typed.as.error);
return out_buf;
}
// 3. Parse
ResultType(SolsParser, charptr) parser = createSolsParser(&typed.as.success);
if (parser.error) {
snprintf(out_buf, sizeof(out_buf),
"[parse error] %s", parser.as.error);
return out_buf;
}
ResultType(Nothing, charptr) parsed = parse(&parser.as.success);
if (parsed.error) {
snprintf(out_buf, sizeof(out_buf), "%s", parsed.as.error);
return out_buf;
}
// 4. Codegen
SolsScope scope = {
.variables = NULL,
.tmpCounter = 0,
.returnType = createSolsType(STT_INT).as.success
};
ResultType(GroundProgram, charptr) codegen =
generateCode(&parser.as.success.output, &scope);
if (codegen.error) {
snprintf(out_buf, sizeof(out_buf), "%s", codegen.as.error);
return out_buf;
}
// 5. Run
GroundValue retval = groundRunProgram(&codegen.as.success);
if (out_pos == 0) {
// Program produced no output — report exit code
snprintf(out_buf, sizeof(out_buf),
"[exited with code %d]",
retval.type == INT ? retval.data.intVal : 0);
}
return out_buf;
}