githubmirror/cpython

Parser/token.c
249 строк5 KB
Marta Gómez Macías
gh-102856: Python tokenizer implementation for PEP 701 (#104323)
21 май 2023, 03:03
21 май 2023, 03:036715f91
/* Auto-generated by Tools/build/generate_token.py */

#include "Python.h"
#include "pycore_token.h"

/* Token names */

const char * const _PyParser_TokenNames[] = {
    "ENDMARKER",
    "NAME",
    "NUMBER",
    "STRING",
    "NEWLINE",
    "INDENT",
    "DEDENT",
    "LPAR",
    "RPAR",
    "LSQB",
    "RSQB",
    "COLON",
    "COMMA",
    "SEMI",
    "PLUS",
    "MINUS",
    "STAR",
    "SLASH",
    "VBAR",
    "AMPER",
    "LESS",
    "GREATER",
    "EQUAL",
    "DOT",
    "PERCENT",
    "LBRACE",
    "RBRACE",
    "EQEQUAL",
    "NOTEQUAL",
    "LESSEQUAL",
    "GREATEREQUAL",
    "TILDE",
    "CIRCUMFLEX",
    "LEFTSHIFT",
    "RIGHTSHIFT",
    "DOUBLESTAR",
    "PLUSEQUAL",
    "MINEQUAL",
    "STAREQUAL",
    "SLASHEQUAL",
    "PERCENTEQUAL",
    "AMPEREQUAL",
    "VBAREQUAL",
    "CIRCUMFLEXEQUAL",
    "LEFTSHIFTEQUAL",
    "RIGHTSHIFTEQUAL",
    "DOUBLESTAREQUAL",
    "DOUBLESLASH",
    "DOUBLESLASHEQUAL",
    "AT",
    "ATEQUAL",
    "RARROW",
    "ELLIPSIS",
    "COLONEQUAL",
    "EXCLAMATION",
    "OP",
    "AWAIT",
    "ASYNC",
    "TYPE_IGNORE",
    "TYPE_COMMENT",
    "SOFT_KEYWORD",
    "FSTRING_START",
    "FSTRING_MIDDLE",
    "FSTRING_END",
    "COMMENT",
    "NL",
    "<ERRORTOKEN>",
    "<ENCODING>",
    "<N_TOKENS>",
};

/* Return the token corresponding to a single character */

int
_PyToken_OneChar(int c1)
{
    switch (c1) {
    case '!': return EXCLAMATION;
    case '%': return PERCENT;
    case '&': return AMPER;
    case '(': return LPAR;
    case ')': return RPAR;
    case '*': return STAR;
    case '+': return PLUS;
    case ',': return COMMA;
    case '-': return MINUS;
    case '.': return DOT;
    case '/': return SLASH;
    case ':': return COLON;
    case ';': return SEMI;
    case '<': return LESS;
    case '=': return EQUAL;
    case '>': return GREATER;
    case '@': return AT;
    case '[': return LSQB;
    case ']': return RSQB;
    case '^': return CIRCUMFLEX;
    case '{': return LBRACE;
    case '|': return VBAR;
    case '}': return RBRACE;
    case '~': return TILDE;
    }
    return OP;
}

int
_PyToken_TwoChars(int c1, int c2)
{
    switch (c1) {
    case '!':
        switch (c2) {
        case '=': return NOTEQUAL;
        }
        break;
    case '%':
        switch (c2) {
        case '=': return PERCENTEQUAL;
        }
        break;
    case '&':
        switch (c2) {
        case '=': return AMPEREQUAL;
        }
        break;
    case '*':
        switch (c2) {
        case '*': return DOUBLESTAR;
        case '=': return STAREQUAL;
        }
        break;
    case '+':
        switch (c2) {
        case '=': return PLUSEQUAL;
        }
        break;
    case '-':
        switch (c2) {
        case '=': return MINEQUAL;
        case '>': return RARROW;
        }
        break;
    case '/':
        switch (c2) {
        case '/': return DOUBLESLASH;
        case '=': return SLASHEQUAL;
        }
        break;
    case ':':
        switch (c2) {
        case '=': return COLONEQUAL;
        }
        break;
    case '<':
        switch (c2) {
        case '<': return LEFTSHIFT;
        case '=': return LESSEQUAL;
        case '>': return NOTEQUAL;
        }
        break;
    case '=':
        switch (c2) {
        case '=': return EQEQUAL;
        }
        break;
    case '>':
        switch (c2) {
        case '=': return GREATEREQUAL;
        case '>': return RIGHTSHIFT;
        }
        break;
    case '@':
        switch (c2) {
        case '=': return ATEQUAL;
        }
        break;
    case '^':
        switch (c2) {
        case '=': return CIRCUMFLEXEQUAL;
        }
        break;
    case '|':
        switch (c2) {
        case '=': return VBAREQUAL;
        }
        break;
    }
    return OP;
}

int
_PyToken_ThreeChars(int c1, int c2, int c3)
{
    switch (c1) {
    case '*':
        switch (c2) {
        case '*':
            switch (c3) {
            case '=': return DOUBLESTAREQUAL;
            }
            break;
        }
        break;
    case '.':
        switch (c2) {
        case '.':
            switch (c3) {
            case '.': return ELLIPSIS;
            }
            break;
        }
        break;
    case '/':
        switch (c2) {
        case '/':
            switch (c3) {
            case '=': return DOUBLESLASHEQUAL;
            }
            break;
        }
        break;
    case '<':
        switch (c2) {
        case '<':
            switch (c3) {
            case '=': return LEFTSHIFTEQUAL;
            }
            break;
        }
        break;
    case '>':
        switch (c2) {
        case '>':
            switch (c3) {
            case '=': return RIGHTSHIFTEQUAL;
            }
            break;
        }
        break;
    }
    return OP;
}