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This commit is contained in:
Maxwell
2026-02-15 14:55:02 +11:00
parent af4168f91a
commit 9e35c323d3
7 changed files with 254 additions and 16 deletions
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4
build.c
View File

@@ -7,10 +7,10 @@ if [[ ! -v OUTPUT ]]; then
fi
if [[ ! -v CFLAGS ]]; then
CFLAGS=""
CFLAGS="-O3 -Wall -Wextra -pedantic"
fi
gcc "$0" -o "$OUTPUT"
gcc "$0" -o "$OUTPUT" $CFLAGS
if not [ $# -lt 1 ]; then
exec "./$OUTPUT" "$@"

67
src/include/ansii.h Normal file
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@@ -0,0 +1,67 @@
// ansii.h - made by SpookyDervish
// version 1.0.0
// do with this whatever you want
//
// example usage with printf: printf(ESC_BOLD ESC_RED_FG "hi\n");
#ifndef ANSII_H
#define ANSII_H
#define ESC_RESET "\x1b[0m"
#define ESC_BOLD "\x1b[1m"
#define ESC_DIM "\x1b[2m"
#define ESC_ITALIC "\x1b[3m"
#define ESC_UNDERLINE "\x1b[4m"
#define ESC_BLINKING "\x1b[5m"
#define ESC_REVERSE "\x1b[7m"
#define ESC_HIDDEN "\x1b[8m"
#define ESC_STRIKETHROUGH "\x1b[8m"
#define ESC_TERMINAL_BELL "\a"
#define ESC_BLACK_FG "\x1b[30m"
#define ESC_RED_FG "\x1b[31m"
#define ESC_GREEN_FG "\x1b[32m"
#define ESC_YELLOW_FG "\x1b[33m"
#define ESC_BLUE_FG "\x1b[34m"
#define ESC_MAGENTA_FG "\x1b[35m"
#define ESC_CYAN_FG "\x1b[36m"
#define ESC_WHITE_FG "\x1b[37m"
#define ESC_BLACK_FG "\x1b[30m"
#define ESC_RED_FG "\x1b[31m"
#define ESC_GREEN_FG "\x1b[32m"
#define ESC_YELLOW_FG "\x1b[33m"
#define ESC_BLUE_FG "\x1b[34m"
#define ESC_MAGENTA_FG "\x1b[35m"
#define ESC_CYAN_FG "\x1b[36m"
#define ESC_WHITE_FG "\x1b[37m"
#define ESC_BRIGHT_BLACK_FG "\x1b[90m"
#define ESC_BRIGHT_RED_FG "\x1b[91m"
#define ESC_BRIGHT_GREEN_FG "\x1b[92m"
#define ESC_BRIGHT_YELLOW_FG "\x1b[93m"
#define ESC_BRIGHT_BLUE_FG "\x1b[94m"
#define ESC_BRIGHT_MAGENTA_FG "\x1b[95m"
#define ESC_BRIGHT_CYAN_FG "\x1b[96m"
#define ESC_BRIGHT_WHITE_FG "\x1b[97m"
#define ESC_BLACK_BG "\x1b[40m"
#define ESC_RED_BG "\x1b[41m"
#define ESC_GREEN_BG "\x1b[42m"
#define ESC_YELLOW_BG "\x1b[43m"
#define ESC_BLUE_BG "\x1b[44m"
#define ESC_MAGENTA_BG "\x1b[45m"
#define ESC_CYAN_BG "\x1b[46m"
#define ESC_WHITE_BG "\x1b[47m"
#define ESC_BRIGHT_BLACK_BG "\x1b[100m"
#define ESC_BRIGHT_RED_BG "\x1b[101m"
#define ESC_BRIGHT_GREEN_BG "\x1b[102m"
#define ESC_BRIGHT_YELLOW_BG "\x1b[103m"
#define ESC_BRIGHT_BLUE_BG "\x1b[104m"
#define ESC_BRIGHT_MAGENTA_BG "\x1b[105m"
#define ESC_BRIGHT_CYAN_BG "\x1b[106m"
#define ESC_BRIGHT_WHITE_BG "\x1b[107m"
#define ESC_DEFAULT_FG "\x1b[39m"
#endif // !ANSII_H

2
src/lexer/SolsLiteral.c
View File

@@ -37,8 +37,8 @@ ResultType(SolsLiteral, charptr) createSolsLiteral(SolsLiteralType type, ...) {
strcpy(literal.as.stringv, input);
}
}
return Success(SolsLiteral, charptr, literal);
va_end(args);
return Success(SolsLiteral, charptr, literal);
}
void freeSolsLiteral(SolsLiteral* lit) {

1
src/lexer/SolsToken.c
View File

@@ -81,6 +81,7 @@ ResultType(voidptr, charptr) addTokenToSolsTokens(SolsTokens* tokens, SolsToken
if (tmp == NULL) {
return Error(voidptr, charptr, "Failed to allocate memory (in addTokenToSolsTokens() function)");
}
tokens->at = tmp;
}
tokens->at[tokens->count] = token;
tokens->count++;

2
src/lexer/SolsToken.h
View File

@@ -7,7 +7,7 @@
#include <stdarg.h>
typedef enum SolsTokenType {
STT_IDENTIFIER, STT_LITERAL, STT_TYPE, STT_OPEN_CURLY, STT_CLOSE_CURLY, STT_OPEN_PAREN, STT_CLOSE_PAREN, STT_OP_ADD, STT_OP_SUB, STT_OP_MUL, STT_OP_DIV, STT_OP_SET, STT_OP_GREATER, STT_OP_LESSER, STT_OP_EQUAL, STT_OP_INEQUAL, STT_OP_EQGREATER, STT_OP_EQLESSER, STT_KW_DEF, STT_KW_STRUCT, STT_KW_PUTS, STT_KW_IF, STT_KW_WHILE, STT_KW_NEW, STT_KW_GROUND
STT_IDENTIFIER, STT_LITERAL, STT_TYPE, STT_DOT, STT_OPEN_CURLY, STT_CLOSE_CURLY, STT_OPEN_PAREN, STT_CLOSE_PAREN, STT_OP_ADD, STT_OP_SUB, STT_OP_MUL, STT_OP_DIV, STT_OP_SET, STT_OP_GREATER, STT_OP_LESSER, STT_OP_EQUAL, STT_OP_INEQUAL, STT_OP_EQGREATER, STT_OP_EQLESSER, STT_KW_DEF, STT_KW_STRUCT, STT_KW_PUTS, STT_KW_IF, STT_KW_WHILE, STT_KW_NEW, STT_KW_GROUND
} SolsTokenType;
typedef char* charptr;

192
src/lexer/lexer.c
View File

@@ -3,6 +3,8 @@
#include "SolsToken.h"
#include "../include/error.h"
#include "../include/estr.h"
#include "../include/ansii.h"
#include <ctype.h>
ResultType(SolsLexer, charptr) createLexer(char* input) {
@@ -48,10 +50,16 @@ ResultType(char, Nothing) lexerConsume(SolsLexer* lexer) {
}
ResultType(SolsToken, charptr) identifyToken(const char* token) {
printf("Passed token: '%s'\n", token);
// Process strings
if (token[0] == '"') {
if (token[strlen(token) - 1] == '"') {
ResultType(SolsLiteral, charptr) literal = createSolsLiteral(SLT_STRING, token);
// Cut out the quotes
char* tokencopy = malloc(strlen(token) + 1);
strncpy(tokencopy, token + 1, strlen(token) - 2);
tokencopy[strlen(token) - 2] = '\0';
ResultType(SolsLiteral, charptr) literal = createSolsLiteral(SLT_STRING, tokencopy);
free(tokencopy);
if (literal.error) {
Estr str = CREATE_ESTR(literal.as.error);
APPEND_ESTR(str, " (in identifyToken() function)");
@@ -59,12 +67,110 @@ ResultType(SolsToken, charptr) identifyToken(const char* token) {
}
SolsToken tok = {
.type = STT_LITERAL,
.as.literal = literal.as.success
};
return Success(SolsToken, charptr, {STT_LITERAL});
return Success(SolsToken, charptr, tok);
}
return Error(SolsToken, charptr, "Unterminated string (in identifyToken() function)");
}
// Process characters
if (token[0] == '\'') {
if (strlen(token) != 3) {
return Error(SolsToken, charptr, "Characters can only hold one character at a time (try using \"this\" for strings?)");
}
if (token[2] == '\'') {
ResultType(SolsLiteral, charptr) literal = createSolsLiteral(SLT_CHAR, token[1]);
if (literal.error) {
Estr str = CREATE_ESTR(literal.as.error);
APPEND_ESTR(str, " (in identifyToken() function)");
return Error(SolsToken, charptr, str.str);
}
SolsToken tok = {
.type = STT_LITERAL,
.as.literal = literal.as.success
};
return Success(SolsToken, charptr, tok);
} else {
return Error(SolsToken, charptr, "Unterminated character (in identifyToken() function)");
}
}
// Process integers and floats
if (isdigit(token[0]) || token[0] == '-') {
size_t len = strlen(token);
bool isInt = true;
bool isDouble = false;
for (size_t i = 1; i < len; i++) {
if (isInt && token[i] == '.') {
isInt = false;
isDouble = true;
continue;
}
if (!isdigit(token[i])) {
isInt = false;
isDouble = false;
}
}
if (isInt) {
int64_t newInt = atoll(token);
ResultType(SolsLiteral, charptr) literal = createSolsLiteral(SLT_INT, newInt);
if (literal.error) {
Estr str = CREATE_ESTR(literal.as.error);
APPEND_ESTR(str, " (in identifyToken() function)");
return Error(SolsToken, charptr, str.str);
}
SolsToken tok = {
.type = STT_LITERAL,
.as.literal = literal.as.success
};
return Success(SolsToken, charptr, tok);
}
if (isDouble) {
double newDouble = atof(token);
ResultType(SolsLiteral, charptr) literal = createSolsLiteral(SLT_DOUBLE, newDouble);
if (literal.error) {
Estr str = CREATE_ESTR(literal.as.error);
APPEND_ESTR(str, " (in identifyToken() function)");
return Error(SolsToken, charptr, str.str);
}
SolsToken tok = {
.type = STT_LITERAL,
.as.literal = literal.as.success
};
return Success(SolsToken, charptr, tok);
}
}
// Handle boolean (true/false)
if (strcmp(token, "true") == 0) {
ResultType(SolsLiteral, charptr) literal = createSolsLiteral(SLT_BOOL, true);
if (literal.error) {
Estr str = CREATE_ESTR(literal.as.error);
APPEND_ESTR(str, " (in identifyToken() function)");
return Error(SolsToken, charptr, str.str);
}
SolsToken tok = {
.type = STT_LITERAL,
.as.literal = literal.as.success
};
return Success(SolsToken, charptr, tok);
}
if (strcmp(token, "false") == 0) {
ResultType(SolsLiteral, charptr) literal = createSolsLiteral(SLT_BOOL, false);
if (literal.error) {
Estr str = CREATE_ESTR(literal.as.error);
APPEND_ESTR(str, " (in identifyToken() function)");
return Error(SolsToken, charptr, str.str);
}
SolsToken tok = {
.type = STT_LITERAL,
.as.literal = literal.as.success
};
return Success(SolsToken, charptr, tok);
}
// FIXME do tihs better sometime
if (strcmp(token, "puts") == 0) {
return Success(SolsToken, charptr, {STT_KW_PUTS});
@@ -79,10 +185,10 @@ ResultType(SolsToken, charptr) identifyToken(const char* token) {
return Success(SolsToken, charptr, {STT_KW_DEF});
}
if (strcmp(token, "struct") == 0) {
return Success(SolsToken, charptr, {STT_KW_DEF});
return Success(SolsToken, charptr, {STT_KW_STRUCT});
}
// Shh, this is our little secret now
if (strcmp(token, "{") == 0 || strcmp(token, "then")) {
if (strcmp(token, "{") == 0 || strcmp(token, "then") == 0) {
return Success(SolsToken, charptr, {STT_OPEN_CURLY});
}
if (strcmp(token, "}") == 0 || strcmp(token, "end") == 0) {
@@ -110,19 +216,30 @@ ResultType(SolsToken, charptr) identifyToken(const char* token) {
return Success(SolsToken, charptr, {STT_OP_SET});
}
return Success(SolsToken, charptr, {STT_IDENTIFIER});
// No appropriate token found, it's an identifier (I hope)
SolsToken id = {
.type = STT_IDENTIFIER,
.as.idName = malloc(strlen(token) + 1)
};
if (id.as.idName == NULL) {
return Error(SolsToken, charptr, "Couldn't allocate memory to copy string (in identifyToken() function)");
}
strcpy(id.as.idName, token);
return Success(SolsToken, charptr, id);
}
char* createParsingError(size_t lineNum, char* line, char* why) {
Estr error = CREATE_ESTR("\e[0;34mParsing Error \e[0;36mon line ");
Estr error = CREATE_ESTR(ESC_RESET ESC_BOLD ESC_RED_FG "Lexing Error " ESC_RESET ESC_YELLOW_FG "on line ");
char buf[256];
snprintf(buf, sizeof(buf), "%zu", lineNum);
APPEND_ESTR(error, buf);
APPEND_ESTR(error, ":\n\n ");
APPEND_ESTR(error, ":\n\n" ESC_RESET ESC_BLUE_FG " ");
APPEND_ESTR(error, line);
APPEND_ESTR(error, "\n\n");
APPEND_ESTR(error, "-> ");
APPEND_ESTR(error, ESC_RESET ESC_MAGENTA_FG "-> ");
APPEND_ESTR(error, why);
APPEND_ESTR(error, "\n");
return error.str;
@@ -154,8 +271,8 @@ ResultType(voidptr, charptr) lex(SolsLexer* lexer) {
if (lexer->input[lineStart] == '\n') {
break;
}
char buf[] = {lexer->input[lineStart], '\0'};
APPEND_ESTR(currentLine, buf);
char tmp[] = {lexer->input[lineStart], '\0'};
APPEND_ESTR(currentLine, tmp);
}
for (;;) {
@@ -191,6 +308,59 @@ ResultType(voidptr, charptr) lex(SolsLexer* lexer) {
APPEND_ESTR(buf, "\"");
break;
}
// These characters require themselves added seperately from the previous token.
case '{':
case '}':
case '(':
case ')':
case ',':
case ':':
{
if (strcmp(buf.str, "") != 0) {
ResultType(SolsToken, charptr) result = identifyToken(buf.str);
if (result.error) {
return Error(voidptr, charptr, createParsingError(lineNum, currentLine.str, result.as.error));
}
addTokenToSolsTokens(&lexer->output, result.as.success);
DESTROY_ESTR(buf);
buf = CREATE_ESTR("");
}
char tmp[] = {chr.as.success, '\0'};
ResultType(SolsToken, charptr) result = identifyToken(tmp);
if (result.error) {
return Error(voidptr, charptr, createParsingError(lineNum, currentLine.str, result.as.error));
}
addTokenToSolsTokens(&lexer->output, result.as.success);
break;
}
// '.' requires checking whether it's a number or an identifier after
case '.': {
ResultType(char, Nothing) peek = lexerPeek(lexer, 1);
if (peek.error) {
return Error(voidptr, charptr, createParsingError(lineNum, currentLine.str, "Expecting token after '.'"));
}
if (isdigit(peek.as.success)) {
char tmp[] = {peek.as.success, '\0'};
APPEND_ESTR(buf, tmp);
lexerConsume(lexer);
} else {
if (strcmp(buf.str, "") != 0) {
ResultType(SolsToken, charptr) result = identifyToken(buf.str);
if (result.error) {
return Error(voidptr, charptr, createParsingError(lineNum, currentLine.str, result.as.error));
}
addTokenToSolsTokens(&lexer->output, result.as.success);
DESTROY_ESTR(buf);
buf = CREATE_ESTR("");
}
addTokenToSolsTokens(&lexer->output, (SolsToken) {STT_DOT});
}
break;
}
// This whitespace splits the program and does not get appended as it's own token.
case '\n':
case ' ': {
if (strcmp(buf.str, "") != 0) {

2
src/main.c
View File

@@ -2,7 +2,7 @@
#include <stdio.h>
int main() {
ResultType(SolsLexer, charptr) lexer = createLexer("puts \"dingus\"\n");
ResultType(SolsLexer, charptr) lexer = createLexer("fds \"");
if (lexer.error) {
printf("Error while creating lexer: %s", lexer.as.error);
}