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-"""
- pygments.lexers.mips
- ~~~~~~~~~~~~~~~~~~~~
-
- Lexers for MIPS assembly.
-
- :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
- :license: BSD, see LICENSE for details.
-"""
-
-from pygments.lexer import RegexLexer, words
-from pygments.token import Whitespace, Comment, String, Keyword, Name, Text
-
-__all__ = ["MIPSLexer"]
-
-
-class MIPSLexer(RegexLexer):
- """
- A MIPS Assembly Lexer.
-
- Based on the Emacs major mode by hlissner:
- https://github.com/hlissner/emacs-mips-mode
- """
-
- name = 'MIPS'
- aliases = ['mips']
- # TODO: add '*.s' and '*.asm', which will require designing an analyse_text
- # method for this lexer and refactoring those from Gas and Nasm in order to
- # have relatively reliable detection
- filenames = ['*.mips', '*.MIPS']
-
- keywords = [
- # Arithmetic insturctions
- "add", "sub", "subu", "addi", "subi", "addu", "addiu",
- # Multiplication/division
- "mul", "mult", "multu", "mulu", "madd", "maddu", "msub", "msubu", "div", "divu",
- # Bitwise operations
- "and", "or", "nor", "xor", "andi", "ori", "xori", "clo", "clz",
- # Shifts
- "sll", "srl", "sllv", "srlv", "sra", "srav",
- # Comparisons
- "slt", "sltu", "slti", "sltiu",
- # Move data
- "mfhi", "mthi", "mflo", "mtlo", "movn", "movz", "movf", "movt",
- # Jump
- "j", "jal", "jalr", "jr",
- # branch
- "bc1f", "bc1t", "beq", "bgez", "bgezal", "bgtz", "blez", "bltzal", "bltz", "bne",
- # Load
- "lui", "lb", "lbu", "lh", "lhu", "lw", "lwcl", "lwl", "lwr",
- # Store
- "sb", "sh", "sw", "swl", "swr", # coproc: swc1 sdc1
- # Concurrent load/store
- "ll", "sc",
- # Trap handling
- "teq", "teqi", "tne", "tneqi", "tge", "tgeu", "tgei", "tgeiu", "tlt", "tltu", "tlti",
- "tltiu",
- # Exception / Interrupt
- "eret", "break", "bop", "syscall",
- # --- Floats -----------------------------------------------------
- # Arithmetic
- "add.s", "add.d", "sub.s", "sub.d", "mul.s", "mul.d", "div.s", "div.d", "neg.d",
- "neg.s",
- # Comparison
- "c.e.d", "c.e.s", "c.le.d", "c.le.s", "c.lt.s", "c.lt.d", # "c.gt.s", "c.gt.d",
- "madd.s", "madd.d", "msub.s", "msub.d",
- # Move Floats
- "mov.d", "move.s", "movf.d", "movf.s", "movt.d", "movt.s", "movn.d", "movn.s",
- "movnzd", "movz.s", "movz.d",
- # Conversion
- "cvt.d.s", "cvt.d.w", "cvt.s.d", "cvt.s.w", "cvt.w.d", "cvt.w.s", "trunc.w.d",
- "trunc.w.s",
- # Math
- "abs.s", "abs.d", "sqrt.s", "sqrt.d", "ceil.w.d", "ceil.w.s", "floor.w.d",
- "floor.w.s", "round.w.d", "round.w.s",
- ]
-
- pseudoinstructions = [
- # Arithmetic & logical
- "rem", "remu", "mulo", "mulou", "abs", "neg", "negu", "not", "rol", "ror",
- # branches
- "b", "beqz", "bge", "bgeu", "bgt", "bgtu", "ble", "bleu", "blt", "bltu", "bnez",
- # loads
- "la", "li", "ld", "ulh", "ulhu", "ulw",
- # Store
- "sd", "ush", "usw",
- # move
- "move", # coproc: "mfc1.d",
- # comparisons
- "sgt", "sgtu", "sge", "sgeu", "sle", "sleu", "sne", "seq",
- # --- Floats -----------------------------------------------------
- # load-store
- "l.d", "l.s", "s.d", "s.s",
- ]
-
- directives = [
- ".align", ".ascii", ".asciiz", ".byte", ".data", ".double", ".extern", ".float",
- ".globl", ".half", ".kdata", ".ktext", ".space", ".text", ".word",
- ]
-
- deprecated = [
- "beql", "bnel", "bgtzl", "bgezl", "bltzl", "blezl", "bltzall", "bgezall",
- ]
-
- tokens = {
- 'root': [
- (r'\s+', Whitespace),
- (r'#.*', Comment),
- (r'"', String, 'string'),
- (r'-?[0-9]+?', Keyword.Constant),
- (r'\w*:', Name.Function),
- (words(deprecated, suffix=r'\b'), Keyword.Pseudo), # need warning face
- (words(pseudoinstructions, suffix=r'\b'), Name.Variable),
- (words(keywords, suffix=r'\b'), Keyword),
- (r'[slm][ftwd]c[0-9]([.]d)?', Keyword),
- (r'\$(f?[0-2][0-9]|f?3[01]|[ft]?[0-9]|[vk][01]|a[0-3]|s[0-7]|[gsf]p|ra|at|zero)',
- Keyword.Type),
- (words(directives, suffix=r'\b'), Name.Entity), # Preprocessor?
- (r':|,|;|\{|\}|=>|@|\$|=', Name.Builtin),
- (r'\w+', Text),
- (r'.', Text),
- ],
- 'string': [
- (r'\\.', String.Escape),
- (r'"', String, '#pop'),
- (r'[^\\"]+', String),
- ],
- }