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131 lines
4.5 KiB
Python
131 lines
4.5 KiB
Python
"""
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pygments.lexers.mips
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~~~~~~~~~~~~~~~~~~~~
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Lexers for MIPS assembly.
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:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, words
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from pygments.token import Whitespace, Comment, String, Keyword, Name, Text
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__all__ = ["MIPSLexer"]
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class MIPSLexer(RegexLexer):
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"""
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A MIPS Assembly Lexer.
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Based on the Emacs major mode by hlissner:
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https://github.com/hlissner/emacs-mips-mode
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"""
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name = 'MIPS'
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aliases = ['mips']
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version_added = ''
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# TODO: add '*.s' and '*.asm', which will require designing an analyse_text
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# method for this lexer and refactoring those from Gas and Nasm in order to
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# have relatively reliable detection
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filenames = ['*.mips', '*.MIPS']
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url = 'https://mips.com'
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keywords = [
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# Arithmetic insturctions
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"add", "sub", "subu", "addi", "subi", "addu", "addiu",
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# Multiplication/division
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"mul", "mult", "multu", "mulu", "madd", "maddu", "msub", "msubu", "div", "divu",
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# Bitwise operations
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"and", "or", "nor", "xor", "andi", "ori", "xori", "clo", "clz",
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# Shifts
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"sll", "srl", "sllv", "srlv", "sra", "srav",
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# Comparisons
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"slt", "sltu", "slti", "sltiu",
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# Move data
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"mfhi", "mthi", "mflo", "mtlo", "movn", "movz", "movf", "movt",
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# Jump
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"j", "jal", "jalr", "jr",
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# branch
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"bc1f", "bc1t", "beq", "bgez", "bgezal", "bgtz", "blez", "bltzal", "bltz", "bne",
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# Load
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"lui", "lb", "lbu", "lh", "lhu", "lw", "lwcl", "lwl", "lwr",
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# Store
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"sb", "sh", "sw", "swl", "swr", # coproc: swc1 sdc1
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# Concurrent load/store
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"ll", "sc",
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# Trap handling
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"teq", "teqi", "tne", "tneqi", "tge", "tgeu", "tgei", "tgeiu", "tlt", "tltu", "tlti",
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"tltiu",
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# Exception / Interrupt
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"eret", "break", "bop", "syscall",
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# --- Floats -----------------------------------------------------
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# Arithmetic
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"add.s", "add.d", "sub.s", "sub.d", "mul.s", "mul.d", "div.s", "div.d", "neg.d",
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"neg.s",
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# Comparison
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"c.e.d", "c.e.s", "c.le.d", "c.le.s", "c.lt.s", "c.lt.d", # "c.gt.s", "c.gt.d",
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"madd.s", "madd.d", "msub.s", "msub.d",
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# Move Floats
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"mov.d", "move.s", "movf.d", "movf.s", "movt.d", "movt.s", "movn.d", "movn.s",
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"movnzd", "movz.s", "movz.d",
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# Conversion
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"cvt.d.s", "cvt.d.w", "cvt.s.d", "cvt.s.w", "cvt.w.d", "cvt.w.s", "trunc.w.d",
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"trunc.w.s",
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# Math
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"abs.s", "abs.d", "sqrt.s", "sqrt.d", "ceil.w.d", "ceil.w.s", "floor.w.d",
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"floor.w.s", "round.w.d", "round.w.s",
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]
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pseudoinstructions = [
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# Arithmetic & logical
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"rem", "remu", "mulo", "mulou", "abs", "neg", "negu", "not", "rol", "ror",
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# branches
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"b", "beqz", "bge", "bgeu", "bgt", "bgtu", "ble", "bleu", "blt", "bltu", "bnez",
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# loads
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"la", "li", "ld", "ulh", "ulhu", "ulw",
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# Store
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"sd", "ush", "usw",
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# move
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"move", # coproc: "mfc1.d",
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# comparisons
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"sgt", "sgtu", "sge", "sgeu", "sle", "sleu", "sne", "seq",
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# --- Floats -----------------------------------------------------
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# load-store
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"l.d", "l.s", "s.d", "s.s",
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]
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directives = [
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".align", ".ascii", ".asciiz", ".byte", ".data", ".double", ".extern", ".float",
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".globl", ".half", ".kdata", ".ktext", ".space", ".text", ".word",
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]
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deprecated = [
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"beql", "bnel", "bgtzl", "bgezl", "bltzl", "blezl", "bltzall", "bgezall",
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]
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tokens = {
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'root': [
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(r'\s+', Whitespace),
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(r'#.*', Comment),
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(r'"', String, 'string'),
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(r'-?[0-9]+?', Keyword.Constant),
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(r'\w*:', Name.Function),
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(words(deprecated, suffix=r'\b'), Keyword.Pseudo), # need warning face
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(words(pseudoinstructions, suffix=r'\b'), Name.Variable),
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(words(keywords, suffix=r'\b'), Keyword),
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(r'[slm][ftwd]c[0-9]([.]d)?', Keyword),
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(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)',
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Keyword.Type),
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(words(directives, suffix=r'\b'), Name.Entity), # Preprocessor?
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(r':|,|;|\{|\}|=>|@|\$|=', Name.Builtin),
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(r'\w+', Text),
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(r'.', Text),
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],
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'string': [
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(r'\\.', String.Escape),
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(r'"', String, '#pop'),
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(r'[^\\"]+', String),
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],
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}
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